Featuring a removable split finger liner and waterproof Pertex Shield shell, the Black Diamond Mercury Mittens pack pro level warmth, protection, and dexterity for brutal weather. The liner warms with PrimaLoft Gold insulation, while the Gore Tex insert blocks moisture. This product will be shipped directly from Black Diamond and will leave their warehouse in 2 3 business days. Eligible for UPS ground shipping only. Temperature range: 2010degF 29 12degC. Removable liner features 100% waterproof and breathable Gore Tex insert with XCR extended comfort range technology for high breathability. Removable liner features 170 g PrimaLoft Gold Insulation, 100 g fleece on back of hand, and high loft fleece on the palm. Removable liner features split finger design for increased dexterity when climbing and skiing. Lightweight, abrasion resistant Pertex Shield shell with 4 way stretch for waterproof, breathable protection and dexterity. Goat leather palm. Recommended use: Alpine, ice, expedition, ski mountaineering, touring.