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45NRTH Wølfgar Boa Winter Cycling Boot

The most technologically advanced winter cycling boot on the planet, made with NASA-grade insulation materials. Whether you’re heading out on a multi-day expedition or groomed singletrack session, Wølfgar provides comfort down to -25ºF and keeps out the harshest of winter days and nights. Need a cozy companion for brutally cold winter days, Wølfgar is your answer.


  • Double boot construction with removable 4mm wool felt liner
  • 400g Primaloft shell boot
  • Aerogel under the foot and over the toe for unmatched thermal protection
  • Carbon midsole and Vibram rubber outsole to reduce conductive heat loss
  • Dual-Zone BOA closure to isolate fit settings between ankle and toes
  • -25°F (-31°C) to 10°F (-12°C)


  • Upper: Coated microfiber with ballistic nylon underlays and ®Techtuff toe outside of a waterproof-breathable membrane.
  • Midsole: full-length carbon fiber to minimize conductive heat loss and maximize pedaling efficiency.
  • Outsole: Real rubber made by Vibram® for 45NRTH, accepts 45NRTH concave studs
  • Insulation: 400g Primaloft behind microfiber upper; 2mm aerogel blanket under the foot and over the toe to thermally block cold cleats and add toe warmth.
  • Closure: Dual-zone BOA M3 mid-power reel and lacing system to isolate fit settings between ankle and toes.
  • Lasts: XX-wide last with tall toe box for extra insulation on top of the foot
  • Available Sizes: Mens wide 38 - 50 (no size 49), full sizes only


SKU Wolfgar-Boa
Color Black
Gender Unisex
Cleat Bolts 2-hole
Model Year 2020


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