Arc'teryx Alpha SV Mitten Components are designed to complement each other to maximize warmth and offer expedition appropriate levels of articulation and durability for operating ascenders on fixed lines and rappeling in cold, frozen, conditions Windproof, insulated outer shell, can be used without the liner as an insulated overmitt for the Alpha SL or FL gloves Removable insulated Primaloft liner glove with enhanced grip control works in conjunction with the outer shell for maximum warmth and dexterity Waterproof-breathable Gore-Tex palm, Gore Windstopper gauntlet Removable wrist leashes, carabiner clip in point hangs mitt gauntlet down