Built for serious alpine adventures, the X-Calibur Glove delivers uncompromising warmth and protection with advanced insulation and heat-reflective technology.Features Performance leather construction delivers superior durability and grip Tri-Plex Alpha with Primaloft Cross Core insulation provides maximum warmth-to-weight ratio Dryfinger II waterproof/breathable insert keeps hands completely dry Volcotek Heat Shield reflects body heat back to fingers Secure leash system prevents loss during mountain activities