Salewa Men's MS Pro Vertical (M)-M 100% Perwanger Suede/Gaiter Collar/Protective Rand Imported Vibram sole Multiple lasts: when there is enough room for the foot, there is no friction. no friction means no blisters 3D lacing: dividing the shoe into three areas allows the athlete to fine-tune between comfort and performance Thinsulate internal lining for high breathability and insulation for the coldest alpine conditions 3F flex system offers freedom of movement where the mountaineer needs it and provides hold where needed Superfabric material that is resistant to any kind of abuse. lightweight and waterproof