Lems - Boulder Boot - Buckeye (Unisex)
142 reviews
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Sizing Note:
This model is based on the Lems Old EU Sizing.
Size EU41 = to fit foot size up to approx 25cm (insole length is 26.5cm)
Weighing a mere 280g (Mens size 43), the Boulder Boot is arguably the lightest boot in the world.
The upper is made of 1200-denier nylon and a durable leather. The whole boot is completely collapsible, great for stuffing into a pack during a hike and wearing around the campfire afterwards.
There's absolutely nothing to this boot, no heel counter, no shank, and nothing stiff that would irritate the foot. If a barely-there boot is what you're in need of, look no further.
- WATERPROOFING None
- LAST Lems Natural-Shape™ Last
- UPPER leather + 1200 denier nylon
- LINING 100% cotton
- OUTSOLE 9.0mm LemsRubber™ (air-injection rubber)
- FOOTBED 3.0mm removable PU insole
- INSOLE BOARD 1.0mm PU strobel (lined with fabric on top)
- STACK HEIGHT 10.0mm (not including 3.0mm footbed)
- DROP 0.0mm (Zero Drop)
- WEIGHT 9.9oz/280g (sz 43)
- PROVIDED WITH 2 PAIRS OF LACES chocolate brown
Customer Reviews
- Does it fit true to size? True to Size Small FitTrue to SizeLarge Fit
- How would you rate the Quality? ExcellentGoodOkay
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Below I wrote my feet are 26.7cm long. Sorry, that,s wrong. They are 24.7cm long! Sorry.
- How would you rate the Quality? ExcellentGoodOkay
- Does it fit true to size? Small FitTrue to SizeLarge Fit

After reading the sizing note for these particular boots (Buckeye) I happily hit the order-button as they came at a clearance price. After trying them on and taking them for a first test walk up and down the hill I am even more happy! My feet are 26.7cm long and 9.5cm wide, so these fit perfectly with a thin sock. I was always wondering how much 'ankle support' this minimal style boot would provide, I can say now it suits my dreams and wishes exactly: I can pull the laces tightly around my ankles, which gives it the supportive feel I love. At the same time, my toes live in total freedom, yay! Definitely will order a second pair. When taking out the insole, I can fit the ininji trail midweight toe socks as well. Reason for giving only four stars: the description states leather + 1200 denier nylon. Well, I expected animal leather but the leather part turns out to be synthetic leather. Can't complain at this bargain price, though.
- How would you rate the Quality? ExcellentGoodOkay
- Does it fit true to size? Small FitTrue to SizeLarge Fit
I have only had these boots for a few weeks , so far all good.Comfortable without socks , lightweight ,the sizing is what I expected - same as other brand’s zero drop running shoes.
I've wanted to get myself a pair of Lems boulder boot for around 3 years now. But I was scared with sizing so I kept delaying the purchase. Eventually I ordered a boot 2 sizes bigger than my foot size. I was so confused. After 2 returns back to Lems (all my fault), I have ended up with my own size, Size 8 women's. So just order your real shoe size But was so worth all the trouble. My feet are not sore anymore. My bunyip bones are not aching. My arches are not cramping. It's perfect. But roomy in the heel but a good pair of woolly socks fixes that. Great shoe!
Love it. But miss waterproofing