Complete with great insulation and tough reinforcement panels, the Glissade Gloves offer more dexterity than full tilt mittens. - Waterproof BDry inserts - Durable Pertex Shield surface material - Warm fleece liner - 100g/m² Thinsulate insulation - Palm and thumb reinforcements made of goat leather, stitching with Kevlar thread - Attachment points for carabiners Black Diamond gloves come with a two-year warranty against manufacturing and material defects. Black Diamond took its name from the difficulty rating of skiing and mountain biking trails: the symbol for the most challenging level is a double black diamond.