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Lems - Waterproof Boulder Boot Summit - Coal (Unisex)

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$349.99
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Sale price
$349.99
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Waiting on Your Size?

Some Lems styles and sizes sell out fast. If the pair you want isn’t currently in stock, you’ve got two options:

Option 1: Wait for our next factory restock
We regularly restock our most popular Lems models. Scroll down to see what’s arriving next and when.

Option 2: Special order from the US
If you don’t want to wait, we can place a pre-order for you to come directly from the US.

What to know about special orders:

  • Approximate delivery time is 3–4 weeks

  • Subject to availability with Lems at the time of ordering (we place a US order every 2 weeks)

If you’d like to go ahead with a special order, just get in touch and let us know the model, size and colour you’re after. 

Next Lems Restock Date

Expected: Late September 2026

  • Primal 3 Black and Slate
  • Primal Eco Fossil
  • Primal Zen Asphalt and Night Sky 
  • Trail Thrasher Moss
  • Nine2Five 2.0 Black
  • WP Boulder Boot Grip Dakota
  • WP Boulder Boot Summit Rugged Bark   
  • NEW! Tactical Mid Pro Coyote
  • NEW! Tactical Tall Pro Night Hawk

Expected: Late October 2026

  • Primal 3 Olive
  • Primal Zen White Sand and Cobra
  • Primal Zen Suede Graphite
  • WP Chelsea Boot Espresso
  • Trail Blazer Knightfall
  • Nine2Five 2.0 Coffee & Cream
  • Kourt Whiteout
  • Boulder Boot Nylon Black
  • Outlander Boot Evergreen
  • WP Boulder Boot Summit Rugged Bark and Coal  
  • NEW! ZenSpeed Medium fit Lite Freeze and Cloud
  • NEW! Primal Zen Leather Walnut
  • NEW! WP Chelsea Tuff Pro Dark Roast

Stock is limited and popular sizes tend to sell out quickly once they land.

FREE AUS Shipping for Orders over $250

60 Day Easy Returns & Free Instant Exchanges

Rugged, waterproof, and built for the trail – the Lems Waterproof Boulder Boot Summit in Coal is a unisex hiking boot that blends the lightweight, foot-friendly feel of the original Boulder Boot with the trail-gripping outsole of the Outlander. Whether you’re trekking through rain, mud, snow, or sleet, these boots are designed to keep your feet dry, supported, and ready for whatever Mother Nature throws your way.

Crafted from full-grain oiled leather, the Coal colourway offers long-lasting durability and can be reconditioned over time to maintain its waterproofing. Built on Lems’ WIDEST Natural-Shape™ last, the Boulder Summit allows your toes to spread naturally for better balance and comfort. The winter traction outsole features 4mm deep lugs and zig-zag siping for confident grip on even the slipperiest surfaces, while the gusseted tongue helps keep debris out. Flexible, protective, and adventure-ready, these boots are made for mountain passes, muddy trails, and everything in between.

Features:

  • Full-grain oiled leather upper in Coal – waterproof and reconditionable for long-term performance

  • Fully waterproof membrane lining to keep feet dry in all weather conditions

  • Lems WIDEST Natural-Shape™ fit for maximum toe splay and comfort

  • Zero-drop platform for natural posture and stride

  • Winter traction outsole with 4mm lugs and zig-zag siping for excellent grip

  • Gusseted tongue to block out water, mud, and debris

  • Adventure Poly Insole for cushioned, all-day comfort

  • Unisex fit – suitable for both men and women

Specifications

Waterproofing: 100% - breathable waterproof membrane

Tongue: Gusseted

Last: Lems WIDE Natural-Shape™ Last

Upper: Full-grain oiled leather/Nylon

Lining: Polyester with waterproof membrane

Outsole: Winter traction outsole with 4mm lugs and zig-zag siping

Insole: 5.5mm Adventure insole

Stack Height: 16.0mm (not including 4.5mm insole)

Drop: Zero-Drop

Vegan: No

Weight: 419g (Men's 10)

SIZING & FIT GUIDE

Our Fit recommendation for this shoe based on customer feedback: We recommend ordering your normal US size for this model. If you need additional volume, you can remove the insole.

If you don't know your normal US size, or would like to double check sizing for this model, please use the sizing tools we have provided here like this:

1. Print out our Printable Size Guide for this model and stand on it - making sure your printer is set to 100% Scale. Choose the size where your longest toe finishes. If you are on the line, consider if you will be wearing thick socks, or prefer to have less or more space in your shoes and choose accordingly.

2. Use our Strutfit online sizing app to check your feet measurement and it will tell you what size to order - Click on "WHAT IS MY SIZE?" above. You will need an a4 sheet of paper and a smartphone for this. Once you have done this once, it will also tell you what size you need for all the other shoes on our website as you browse through other models.

3. Use the sizing chart provided which shows the insole length and width of the shoe which you can use to compare the measurements against another pair of shoes that fit you well. Or you can compare them with a sizing chart from another brand and work out your size that way. This is not a fool-safe way though, as the volume and material in the upper of the shoe can also make a big difference to the fit so best to use this in conjunction with one of the other sizing methods.

We don't recommend manually measuring your feet to work out sizing, as in our experience most people measure incorrectly without the use of a proper tool such as a brannock device.

For more LEMS Sizing/Fit information and comparison between models - please CLICK HERE

SHIPPING & RETURNS

SHIPPING

We offer FREE Standard Shipping in Australia for Orders over $250

We ship to Australia & NZ using Australia Post.

We offer Standard and Express Shipping options

Our standard shipping rate starts from $9.95, Australia Wide with Authority to leave. 

When you give authority to leave, you are allowing our carriers to leave the package unattended at your address without a signature. Please note if you opt to leave your order unattended, Bprimal will not be responsible for any lost or stolen packages.

You can elect to have your package delivered with a signature on delivery for an additional $2 fee.

Express Shipping is also available from AU$19.95 (2-4 business days)

International Shipping is available to New Zealand from AU$19.95

All orders placed prior to Midday (AEST) will be dispatched the same day (business days Mon-Fri) with the exception of Sale Periods where we may experience up to 3 day delay for dispatch. 

You will receive a tracking number and link to track your delivery once it has been dispatched.

PICK UP IN STORE

We now offer a pickup option from our stores in Neutral Bay, NSW & Northcote, VIC (ONLY for items in stock at the store). *Please note, you cannot order items for pick up and online delivery in the same order - you must select either the 'Pick Up' or 'Ship' delivery option at checkout.

If you selected Pick Up at checkout, you will receive an email notification when your order is ready for collection (usually within 24 hours). Pick up is available during store hours.

International Duties & Taxes — New Zealand

For New Zealand orders over NZD $1,000, import duties and taxes may apply when your order arrives. These charges are set by New Zealand customs and are not included or collected at checkout.

Any duties, taxes, or customs fees are the customer’s responsibility and will need to be paid directly on arrival. Unfortunately, we’re unable to cover or reimburse these charges.

RETURNS

If your order isn’t right for you, you can return it for a refund* or exchange within 60 days of receiving your order. Item must be unworn and in BRAND NEW condition in original box with tags still attached (if applicable). Please note that postage costs to return the item(s) to bprimal remain the customers responsibility with the exception of customers that have purchased our Free Return Guarantee. 

Note: PRELOVED or Items marked as CLEARANCE or are NOT eligible for return

FREE RETURN GUARANTEE 

Australian & NZ customers can elect to include our $1.99 Return Guarantee at checkout, and we will provide you 1x PRE-PAID shipping label if you need to return any items to us for exchange or refund.

SIZE EXCHANGE

Shipping is free for a size exchange (one exchange per order) where we cover the postage to you for the exchange pair. We also offer Instant Exchanges for Australian Customers. 

REFUND

If you are not satisfied with your purchase from bprimal you can return it to us for a full refund minus any postage costs. *Please note that if you have already exchanged your order, you will only be eligible for a store credit if you return the exchange item. Item must be unworn and in BRAND NEW condition.

Care Guide

Take care of your smooth leather shoes and boots and they’ll look better, feel softer, and last longer over time.
Start with a clean using our Carbon Max Cleaning Set, then nourish and condition with our Carbon Leather Care. To protect your shoes from water and stains, apply Bondi Beeswax.
  • Gently clean with Max Upper Cleaner and a soft cloth
  • Condition leather regularly to maintain softness and prevent cracking
  • Avoid soaking or drying near heat
  • Store in a cool, dry place out of direct sunlight
  • Use waterproofing wax to protect against moisture and grime

Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
Lems - Waterproof Boulder Boot Summit - Coal (Unisex)
  • 5 stars: 38 (95%)
  • 4 stars: 1 (3%)
  • 3 stars: 1 (3%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
N
Nico
Quality: Excellent
Sizing: Small fit (I had to size up)
Incredibly comfortable

These boots have been incredibly comfortable. I’ve worn them every day for the past two weeks while travelling around Europe (mainly in cities so far), and they didn’t need any breaking in at all. They’re lightweight and flexible, yet still feel sturdy with great grip on the soles. My feet have stayed warm and dry the whole time. They can run a bit warm on hotter days, but otherwise I have no complaints.

B
Brie D.

So comfy!! Went to the snow in these and my feet were warm and dry all day. Love the roomy toe box and the sole thickness. Can’t wait to try Lems other styles.

R
Rafael D.

First time buying shoes online, read All the reviews and followed the sizing. Could’ve gone 1/2 size smaller as I was on the cusp between sizes. I have wide feet so really appreciate the width here.
Amazing shoes, waterproof, excellent grip, this has taken my work to the next level I have to navigate a lot of random urban terrain for work in all weather conditions.
Beautiful boots, with pants on can pass as dress shoes.

S
Sam R.

I got advice on sizing and it was spot on! I LOVE these boots. I took them for my first hike up the mountain in wet, -3 degree weather and they performed perfectly. I haven't taken them off all day.

J
Jasmine C.

Love these boots 🙌
I’ve been wearing these boots workdays, Mon to Fri. They are so comfortable and feel like slippers. No more steel caps for me. I’m converted.

A
Alistair D.

By far the most comfortable footwear i have tried, they have put an end to my crippling toe pains and my wide feet feel natural in them……..Love these boots!

S
Seymour B.
Quality: Excellent
Sizing: Small fit (I had to size up)
Super comfy and cosy boots

Super comfy and cosy boots, that are indeed water proof (so far). Wore them in Ballarat over a wet soggy weekend, feet remained dry and warm. I sized them with the size guide and double checked with the sizing tool. Then added half a size as suggested. The size was the same as my Lems chukkas. Once again very happy with Lems, it's hard to wear anything else now.

J
John N.
Quality: Excellent
Sizing: True to Size
These boots are the Best

These boots are the best. Super comfortable and so light weight.

F
Fiona M.
Quality: Excellent
Sizing: True to Size
Immediately comfortable from the start

Immediately comfortable from the start. I’ve had bo issues with breaking them in (or them breaking me)!

V
Violet
Quality: Excellent
Sizing: True to Size
No boots could be better

My partner and I bought these for our Aotearoa /NZ holiday and they were absolutely incredible. We would walk 10-20k steps per day in them, on various hikes or around towns, and they were so comfortable. No need to "wear them in"- they come perfect. We would step through water up to the laces and our feet would still be absolutely warm and dry. Good grip and not slippery in situations where other hikers wearing runners would slip. Also easy to clean mud off them by wiping down. Feet were nice and warm, though in some locations I did need to wear thermal socks- I am known for cold feet in temperatures below like 15 degrees Celsius, but my partners feet were fine with one sock layer and he'll be wearing these to the snow. These boots are also my winter boots in Australia as I do find they're too hot for our summers here. I find they look good with most casual outfits, even business casual for work.
I sized up just half a size because I have the same brand in another style and noticed that when walking downhill, my toes would touch the end of the shoe, and I did not want that with my hiking boots. So half a size up was perfect.

M
Michael M.
Quality: Very Good
Sizing: True to Size
great boots

my second pair. I wear them for work on 12hr shifts. very comfy.
Might give the new tactical pro mid boot a go next too.

K
Kim
Quality: Excellent
Sizing: Small
OMG! I LOVE these boots

OMG! I LOVE these boots. I bought them to wear camping and hiking, but I love them so much I'm not sure I can sacrifice them to wear in the dirt and around the fire. They are so comfortable. I normally take a 9 in LEMS, and definitely needed the half size up to fit in chunky socks.

S
Sharee L.
Quality: Excellent
Sizing: True to Size
Lens waterproof boulder boots

Immediately comfortable (Melbourne mid winter, I choose these over any other footwear). After only owning them for 2 weeks I hiked 25km, very comfortable, no pressure points. I highly recommend these hiking boots.

S
Sandra W.
Quality: Excellent
Sizing: True to Size
Super comfortable and light, and genuinely waterproof

I love these boots! I bought them for a trip to Norway and Scotland, and needed waterproof boots. I already had regular hiking boots but wanted something a bit more nimble for everyday use. These are fabulous, so light and super comfortable to wear, and my feet stayed nice and warm and dry in the snow and rain. The lugs are ok for the snow, but they're not as deep a regular hiking boots, so I still used spikes in icy conditions as a precaution. I do wear them regularly now even when not hiking or travelling, they are that good!

G
Grigor V.

Great product, but not right for me.

G
Gillian H.
Quality: Excellent
Sizing: True to Size
Best hiking boots ever!

These are seriously the most comfortable boots I have ever owned. The quality is fabulous, the service from the customer service team was outstanding and the innovative foot sizing tool was absolutely accurate for both my husband and myself.
Love our boots 🥾

B
Ben C.
Quality: Excellent
Sizing: True to Size

They are comfortable and look good even with a suit!

J
Jinny

Love love love it!

D
Duncan

Exactly as described. Has a real luxury feel, thick leather, well stitched

E
Elizabeth B.
Quality: Excellent
Sizing: True to Size
Most comfortable boots I've ever worn

These boots are fantastic for those with wide feet, especially if you are prone to bunions like me. They are roomy, waterproof, and have a little bit of arch support. I am extremely happy with them.

C
Carly K.
Quality: Excellent
Sizing: True to Size
LEMS Waterproof Boulder Boot Summit - Coal (Unisex): The Boot That Saved My Trip

Picture this: I’m frantically packing for a month-long adventure, complete with organised hikes, city explorations, and who-knows-what-else. Then it hits me—I’ve replaced all my shoes with barefoot/wide toe box options, but I forgot to replace my hiking boots. Cue the panic.

Enter the LEMS Waterproof Boulder Boot Summit, arriving in the mail the day I fly out. No pressure, right? I hadn’t even tested them on a local trail, but I figured, “Hey, my other LEMS are comfy, so these should be fine… right?”

Fast forward to Muir Woods, California—a stunning 10km hike through towering redwoods, and these boots? Absolute champions. No blisters, no discomfort, just pure, foot-shaped bliss. Feeling bold (or maybe just in denial about potential foot pain), I kept them on for another 8km of city wandering in San Francisco. Still no regrets.

Since then, these boots have:
✅ Explored ancient ruins in Mexico
✅ Clocked 100+ km of walking
✅ Proven themselves as the ultimate last-minute purchase

Next stop: Yosemite, and I have zero doubts they’ll keep delivering. If you need a versatile, comfortable, and trail-ready boot yesterday, LEMS has your back (or rather, your feet).

Final verdict: 10/10, would panic-buy again.

L
Louise K.
Quality: Excellent
Sizing: True to Size
Great shoes, really comfortable!

I love wearing boots and like many people have wide feet, these shoes are so comfortable I highly recommend them! Thank you to the Lems team :) Louise - Cairns - Australia

M
Mark F.

Very satisfied with my purchase, are following the arranged process for return of the size sent initially (which were way to big).

C
Cath P.

My son's third pair of Lems boots, just a different colour to the last ones. They are worn almost daily and so much more comfortable than traditional shoes for his wide feet. So glad we were recommended B Primal by the Physio.

M
Marl D.

Love these boots. I haven't had the chance to try out their waterproofness yet but they are super comfy and seem very well made. I went up half a size as I like a slightly looser fit. They seem true to size.

J
Jayben J.

Exceeded my expectations

🌱 LEMS SHOES SPECIFIC FAQ'S

I’m not sure which style to choose. Do you have a comparison chart?

We get it — with so many great styles, it can be tricky to pick just one! To make life easier, Lems has put together a handy chart that compares all the styles side by side. You’ll find details like weight, flexibility, traction, and stack height, so you can see exactly how each shoe measures up.

Check it out on our Lems Sizing and Fitting Info page.

How do I choose the right size?

The size chart for each product shows the inner length and width of each shoe model. Your toes should always have space to move freely: we recommend approx 12mm of space in front of your toes (no less than 6mm and no more than 18mm). Refer to our comprehensive Find your Perfect Fit page for guidance on exactly how to measure your feet and choose the right size. 

Still not sure? Reach out to info@bprimal.com — the team is always happy to help.

How Wide Are Lems Shoes?

Lems Shoes come in 3 Natural-Shape™ widths: MEDIUM, WIDE and WIDEST, depending on the model. Please refer to our Lems Sizing and Fitting Info page for the comparison between models.

What if you are out of stock in my size?

Some of our Lems shoes are very popular, and they sell out fast! If we are out of stock in your size and you are unable to preorder it on our website, please reach out to our team at info@bprimal.com. We are able to preorder Lems shoes, so we can help you place a preorder.

*Please note, dispatch for preorders is typically 3-4 weeks.

Should I choose a shoe with an IBR outsole or a full rubber outsole?

It depends on what you're looking for in performance and durability:

  • Injection Blown Rubber (IBR) outsoles are exceptionally lightweight, flexible, and comfortable—ideal for everyday use and casual activities. However, this lightweight design means they’re slightly less durable than full rubber soles, and may wear down more quickly if used on rough terrain.
  • Full rubber outsoles are more robust and rugged, offering better traction and durability—this makes them great candidates for hiking, trail running, or extended outdoor adventures.
How Can Lems Shoes Benefit You?

With their unique design, featuring a wide toe-box, flexible material, and zero-drop outsole, Lems shoes have the ability to aid in correcting common foot ailments, increase strength in the lower extremities, allow for greater balance, and help realign your posture. Plus, they are just down right comfortable.

I Have Never Worn Barefoot Shoes; Will Lems Shoes Work For Me?

Yes! You may experience some discomfort at first, but, know that this just means the tendons and muscles in your feet adapting to the lack of support that most contemporary shoe companies incorporate into their designs. This should subside over a short period of time.

We typically recommend wearing the shoes sparingly at first, and then progressing to longer durations of wear. It’s all about the transition! Trust the process.

What’s the difference between the Primal 3 and the Primal Zen?

The Primal 3 and Primal Zen are both everyday barefoot shoes with plenty in common — zero-drop, a wide toe box, breathable mesh uppers, and all-day comfort. Here’s where they differ:

  • Primal Zen: More relaxed fit with an attached tongue, firmer heel, slightly higher stack height, and an athletic look.
  • Primal 3: Snugger fit in the arch and heel, detached tongue for flexibility, softer heel, and a sleeker, more minimal appearance.

Both are great for everyday adventures — walking, commuting, or kicking around town. Go Zen if you prefer sporty style, or Primal 3 if you like a minimalist look.

Which waterproof boot is best for me?

Lems has several waterproof boot options, and to help you choose, they’ve created a comparison chart: Lems Sizing and Fitting Info. You’ll see all the key specs side by side.

Insole specifications - what is the difference?

Some of the Lems insoles are cork, and some are poly. All shoes are sold with the insoles inside the shoe - but they are interchangeable and can be easily trimmed with scissors if needed.

For more information on each insole thickness, go to the product page for each insole, click SPECS, and read more.

Do you have any shoes made specifically for women?

Yes! The Laguna is designed just for women, with a narrower heel collar and a slip-on style that’s sleek and versatile. For a slightly less wide option, the Trailhead has a D-width toe box — narrower than most other Lems styles.

Are Lems heavy-duty work boots?

Not quite. Lems boots are lightweight, flexible, and shaped to let your toes splay naturally. They’re not designed for the heavy-duty durability of traditional work boots.

Will Lems help with bunions, hammertoes, plantar fasciitis, or other foot issues?

Many customers with these foot conditions have found relief in Lems thanks to the roomy toe box, flexibility, and zero-drop platform. That said, it’s always best to chat with your doctor to see if Lems are right for you.

I have flat feet. Can I wear Lems?

Absolutely! If your flat feet feel good with minimal arch support, wide toe boxes, and flexible soles, Lems could be a great fit for you. Many people with flat feet find them super comfortable.

Can I Wear Lems Shoes With Custom Orthotics?

All of Lems shoes feature an insole within the shoes that can be removed to allow room for almost all custom orthotics.

Are Lems insulated for cold weather?

Lems shoes and boots aren’t insulated or temperature-rated. But pair them with warm socks or insulated insoles, and you’ll be adventure-ready even when it’s chilly. We recommend pairing with Bprimal Merino Wool toe socks to keep your feet cozy.

How Would You Recommend Cleaning My Lems?

For shoes featuring mesh or canvas, use lukewarm water and mild dish soap to hand wash your shoes. Please allow your shoes to air dry completely over 24hrs before wearing.

*Please note: If you soak your shoes in hot water for a period of time, this can cause the dye fixative or mordant to be removed and can result in the colour running. As Lems shoes have a rubber outsole, high heat washing can also shrink the shoes, so Lems do not recommend putting your shoes in the washer. 

For leather shoes, use a suitable leather care cleaner To dry your shoes, just leave them out at room temperature and not expose them to heat.

Do Lems contain latex?

Some styles do. Here’s the breakdown:

  • Contain latex in the elastic: Chelsea Boots, Drifters, Laguna.
  • Contain latex in the rubber soles: Boulder Summit, Outlander, Boulder Boot Grip, Kourt Grip, Primal Pursuit.
Do I Need To Order A Size Larger To Accommodate The Correct Toes?

In most cases you should not have to order a larger size to allow room for Correct Toes. We recommend removing the insole when you are wearing correct toes, to create extra volume in the shoe if you need it.  If you have a very wide foot you may have to order one size up to accommodate the Correct Toes.

What Is There Is A Problem With My Shoes?

We always look to be reasonable and fair in resolving any problem you have with your order from us. Please email info@bprimal.com with your order number and photos.