Black Diamond Women's Ankhiale Mitts Goretex Mitts Shell: 92% Nylon/8% Spandex, 100% Goat Skin Palm, Lining: 100% Polyester. Imported Removable liner features split-finger design 100% waterproof and breathable GORE-TEX insert with Plus Warm Technology stays with removable liner Lightweight, abrasion-resistant, Pertex Shield shell with 4-way stretch Removable liner features 170 g PrimaLoft Gold insulation, boiled wool on back of hand and 100 g fleece on the palm Goat leather palm