Black Diamond Men's Mercury Mitt w/Power Weight Glove Liner Includes Black Diamond Power Weight Glove Liner 100% waterproof BDry insert stays with removable liner. Lightweight, abrasion-resistant, Pertex Shield shell with 4-way stretch. Removable liner features 340 g PrimaLoft Gold Insulation and high-loft fleece lining. Goat leather palm, plus palm patch with Kevlar stitching.