45NRTH Wolvhammer BOA Cycling Boots (NEW 2024)


Kinda the most popular Fat Bike Boot. Riders like em’ you likely will too.

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45NRTH Wolvhammer BOA Cycling Boots (NEW 2024)

The 2023 VERSION to the legendary 45NRTH Wölvhammer winter cycling boots. This 7th generation of the Wolvhammer from 45NRTH, the standard for warmth in winter cycling footwear has amazing updates including the addition of the BOA closure system to ensure a better fit, double leather construction and a more insulated footbox to keep your digits toasty for longer rides. This is THE boot designed specifically for fat bike riding (but we use ours for snowshoeing and other stuff too).

New 45NRTH Wolvhammer boots include FREE shipping in all sizes.


Originating from the conceptual standpoint of a mountaineering boot, the new and evolved Wölvhammer is lighter, more comfortable, and grippier. The overhauled design features a removable synthetic liner and a three-piece proprietary bottom assembly compatible with flat and clipless pedals. When the cold winter creeps in, Wölvhammer has you covered.

  • Removable synthetic liner boot for quick drying
  • 3-piece proprietary bottom assembly is lighter, warmer offers more walking traction
  • Aerogel insulation blocks cold cleats and allows use of preferred insoles without sacrificing warmth
  • 0F to 25F / -18 to -4C Comfort

Want to Ensure you order the correct size? Go to the 45NRTH.com Boot Sizing Info Page

45NRTH Wolvhammer 2023 SPECS

UPPER : Coated microfiber with ballistic nylon underlays and ®Techtuff toe outside of a waterproof-breathable membrane.
MIDSOLE : 3/4 length fiberglass-injected nylon nested inside EVA foam for reduced weight, added comfort and increased traction.
OUTSOLE: 45NRTH real rubber outsole with anti-slip microglass rubber lugs, flat pedal and 2-bolt compatible. Comes with removable cleat plate for flat pedal use. A note on flat pedals: we recommend using 45NRTH’s winter specific Helva and Heiruspecs pedals, and not aggressive downhill pedals with sharp metal pins.
INSULATION : 200g Primaloft quilted inside removable liner boot; 2mm aerogel blanket under the foot to thermally block metal cleats
CLOSURE : Single-zone BOA M3 mid-power reel and lacing system
LASTS XX-wide last with tall toe box for extra insulation on top of the foot
SIZES : Mens wide 36 – 50 (no size 49), full sizes only
SUGGESTED TEMP RANGE : 0 F (-18 C) to 25 F (-4 C)
Dimensions 14 × 12 × 6 cm
Boot Size

37eu/W5.5, 38eu/W6, 39eu/W7, 40eu/US6/W8, 41eu/US7/W9, 42eu/US8, 43eu/US9, 44eu/US10, 45eu/US11, 46eu/US12, 47eu/US13, 48eu/US15, 50eu/US17




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