Black Diamond Women's Mercury Mitts Shell: 92% Nylon/8% Spandex, 100% Goat Skin Palm, Lining: 100% Polyester. Imported Goat leather palm, plus palm patch with Kevlar stitching Removable liner with 100% waterproof Dry insert Lightweight woven nylon, abrasion-resistant shell with 4-way stretch Removable liner with 340 g PrimaLoft Gold and high-loft fleece Liner has trigger finger