Originating from the conceptual standpoint of a mountaineering boot, the 45NRTH Wölvhammer is lighter, more comfortable, and grippier !
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.
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.
Suggested Temperature Range : -18C° to -4C°.