Waterproof mountain boots with special non-slip OC system® that can be bent or removed, depending on the weather. 3M THINSULATE™ fibre filling with a great thermal insulation capacity. Even when the boot is wet, the foot will be in a warm environment. With a RECCO® reflector that allows rescue professionals equipped with detectors to find you if you get caught by an avalanche or get lost in a remote area. Lace-up. These boots have been laboratory tested to withstand, during movement, extreme temperatures down to -30ºC.