The high, 1000 denier Nylon shaft, 100% waterproof rubber lower and detachable 8 mm thick liner - these boots are made for proper winter conditions! Kamik is a true expert in winter footwear, and this model is made for the most intense frost, and use where you don't generate a lot of heat by moving. - The shaft is waterproof Nylon with sealed seams - Adjustable cuff - Zylex liner: 8 mm thick, with great insulation - Shaft height: 38.5 cm - Weight 900g/pcs - The lower is synthetic rubber - Snowbob outer sole - Made in Canada