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Wølfgar Boa


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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
Coated microfiber with ballistic nylon underlays and ®Techtuff toe outside of a waterproof-breathable membrane.
full-length carbon fiber to minimize conductive heat loss and maximize pedaling efficiency.
Real rubber made by Vibram® for 45NRTH, accepts 45NRTH concave studs
400g Primaloft behind microfiber upper; 2mm aerogel blanket under the foot and over the toe to thermally block cold cleats and add toe warmth.
Dual-zone BOA M3 mid-power reel and lacing system to isolate fit settings between ankle and toes.
XX-wide last with tall toe box for extra insulation on top of the foot
Mens wide 38 - 50 (no size 49), full sizes only
-25°F (-31°C) to 10°F (-12°C)

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-25 to 10º F / -31 to -12ºC Comfort

Aerogel Insulation

Under the foot and over the toe, we use aerogel, an ultra-thin, compression-resistant and waterproof insulator, to block cold transfer from your pedals and from wind and snow.

45NRTH Wolfgar BOA Cycling Boot - black - rear three quarter view

2-Hole Mtn Shoe

This sole is designed to interface with a 2-bolt cleat for a secure ride.

45NRTH Wolfgar BOA Cycling Boot - black - sole and tread detail

Merino Liner Boot

Removable felted wool liner boot insulates while wicking moisture away from the skin. On long trips, carry a spare pair to swap out mid-ride

45NRTH Wolfgar BOA Cycling Boot - Merino liner detail

Carbon Fiber Outsole

Our lightweight carbon fiber outsole provides stiffness and better protects against conductive heat loss under the foot.

45NRTH Wolfgar BOA Cycling Boot - black - sole and tread detail


BOA closure with a gusseted tongue to keep winter elements out and warmth in

45NRTH Wolfgar BOA Cycling Boot - black - BOA closure detail