HydroSeal® Waterproof Membrane – This highly durable weatherproof laminate delivers superb winter protection by utilizing a microporous, hydrophobic material that allows your feet to maintain a comfortable temperature while shedding perspiration.

100 g PrimaLoft® Eco Insulation – Using a minimum of 50% recycled materials, this insulation heats you without heating up the earth.

P.E.T. Ripstop Upper – Made from post-consumer recycled plastic bottles, this ripstop material is often ranked #1 on lists of environmentally preferred fibers, but was designed to stand up to regular beatings.

Die-cut EVA midsole

Waterproof suede mudguard

708 g per pair, 354 g per boot

IcePick® Lugs – These temperature-sensitive lugs harden when the temperature falls below freezing to provide ultimate biting traction.

TNF Winter Grip® Outsole – This tacky rubber compound remains soft when the temperature drops.

OrthoLite® sockliner

Gusseted tongue

NorthFit™ – The mission of NorthFit™ is to scientifically provide the outdoor athlete with the most precise fit between the human foot and a footwear last, as they both relate to the demands of the specific activity for which the shoe is worn.