Lems Shoes Boulder Summit Waterproof

Size Chart Size chart
Lems Shoes Size Chart

You should measure the length of your feet first - Lems has provided instruction video and guide to measure your feet correctly. You can find the complete sizing guide here.

After you have the measurement refer to "Foot length cm" against the longer foot. Then pick the matching US size. All US sizes are Mens US for technical reasons. Womens US size is always size + 1.5 if you need to know it.

Recommendation is to leave 1-1.3 cm space for movement (sizing charts account for this). If you need additional room in the shoe, you can remove the insole for extra volume.

Lems Shoes Size Chart

Size: 5.5

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Lems Shoes Boulder Summit Waterproof is a fully waterproof boot that draws inspiration from the original Boulder Boot but now combines the rugged outsole of the Outlander to offer a more secure grip. The rubber outsole incorporates 4mm deep lugs and zig-zag grooves for superb traction in even the most slippery situations.

If you’ve been holding your breath for Lems to release a Boulder Boot style that can properly tackle the trails, you can release that breath. Now take another because you’ll be huffing and puffing up and over mountains and stretches of dirt and rock in your spiffy Boulder Summit boots. Rain? Mud? Snow? Sleet? No matter, these boots are fully waterproof and will keep those feet dry despite what Mother Nature throws your way.

The Boulder Summit combines the Boulder Boot's minimalist features with the Outlander's outsole. This means these boots offer substantial grip without weighing you down, flexibility as you navigate uneven terrain, and the wide toe box means ample space for your toes to spread out fully. The rubber outsole incorporates 4mm deep lugs and zig-zag grooves for superb traction in even the most slippery situations.

Available in Rugged Bark - a full-grain, oiled leather which can be reconditioned over time to retain its best waterproofing.

All Lems Shoes are unisex, so the same model will fit men and women. Please check the size chart before ordering!


  • Waterproofing: 100% - breathable waterproof membrane
  • Tongue: Gusseted
  • Last:Lems WIDE Natural-Shape™ Last
  • Upper:Full-grain oiled leather / Nylon
  • Lining: Polyester with waterproof membrane
  • Insole: 4.5 mm Adventure insole
  • Outsole:Winter traction outsole with 4 mm lugs and zig-zag siping
  • Stack Height:16.0 mm (not including 4.5 mm insole)
  • Drop: 2.0 mm
  • Weight:420 g (14.8 oz.) - Men's size US10
  • Care & Treatment: Otter Wax Boot Wax or Otter Wax Kit
  • Urban Kit Supply ships to all EU-countries, some other European countries, USA, Canada and several other countries around the globe.

    All taxes/duties are covered in shippings within EU. By default the prices shown include VAT of 24% (Finland), but in checkout or on arrival you might have selected shipping to your country, and after that you will see your local VAT.

    If the shipment goes outside EU, the VAT will 0%, but you'll need to pay your local taxes and duties when the package arrives.

    We offer shipping methods based on your location and our shipping parteners include UPS, GLS and DHL.

    We have collected more details on shipping methods, costs and delivery times here.

  • Urban Kit Supply customers have the right to return products within 30 days of delivery.

    Return costs are paid by customers, but we will refund the original shipping costs according to cheapest available shipping method to your country.

    More detailed instructions and terms regarding returns here.

    • 5SKU: lems701-050M
      EAN: 810053377406
    • 5.5SKU: lems701-055M
      EAN: 810053377413
    • 6SKU: lems701-060M
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    • 9SKU: lems701-090M
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    • 9.5SKU: lems701-095M
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    • 10SKU: lems701-100M
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    • 10.5SKU: lems701-105M
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    • 11SKU: lems701-110M
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    • 11.5SKU: lems701-115M
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    • 12SKU: lems701-120M
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    • 12.5SKU: lems701-125M
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    • 13SKU: lems701-130M
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    • 14SKU: lems701-140M
      EAN: 810053377574
    • 15SKU: lems701-150M
      EAN: 810053377581

Lems Shoes Boulder Summit Waterproof - Closeup

Lems Shoes Boulder Summit Waterproof

Lems Shoes

Lems Shoes

Lems Shoes believes less is more, which is why their shoes boast no gimmicks, no unnecessary material, and no fluff. Made with the finest materials, Lems' footwear is perfect for those individuals seeking to promote a healthier lifestyle. "If you can't find it on the market and no one's doing it, then you have to do it yourself." - Andrew Rademacher

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Customer Reviews

Based on 1 review
Tim S. (South Holland, Netherlands)

I have wide feet and these shoes are amazing. No more stress on the front end of my feet.

Stunning! Thank you Tim!