Arcteryx Dually Belay Parka - Men's Dual layers of the DWR immersed ThermaTek retains insulation capabilities in the wettest conditions Expedition fit accommodates multiple layers without restricting movement Insulated, helmet-compatible StormHood with laminated brim delivers full coverage without restricting visibility or mobility Full-separating, two-way WaterTight Vislon front zip with snap closure provides full coverage while belaying Laminated ThermaTek non-quilted, dual-layered construction eliminates cold spots and is the fastest drying insulation Arcteryx offers