Product Description LOWA mountaineering boots are for climbers and mountaineers who need the highest degree of support and protection from the toughest rock, snow and ice terrain. Bomb-proof construction for total reliability. Featuring premium high tech components like 3M Thinsulate insulation and a Vibram Vertige outsole. The climate control footbed keeps your feet nice and dry by pulling moisture away so it can evaporate. The C4 tongue system is anatomically contoured for a natural flex that cradles the foot in comfort. The hand-wrapped rubber rand protects boots from trail abuse.