The Black Diamond Super Light Mitt takes a fully waterproof, high-altitude mountaineering mitt and adds incredible pack ability. The 100% waterproof and breathable GORE-TEX insert with XCR Product Technology and Prim aloft Kodenshi insulation shield you from the elements of the world's highest peaks, while the Pretext 15D rip stop shell and sheep skin leather palm make it packable and durable enough for frigid days in the backcountry. Imported. The 100% waterproof and breathable GORE-TEX insert with XCR Product Technology and Prim aloft Kodenshi insulation shield you from the elements of the world's highest peaks, while the Pertex 15D rip stop shell and sheep skin leather palm make it packable and durable enough for frigid days in the backcountry.