The Manbi Silk Gove Liners are available in Black. When Worn Under Gloves these pure silk glove liners will help insulate against the harsh mountain conditions. Silk is a lightweight fibre which has natural thermal properties, the fibres will naturally wick, allowing moisture to be transmitted away from the skin keeping hands dryer & warmer for longet. Ultra fine fibres such as silk increase the surface area on to which air molecules can cling. These small air pockets can create perfect insulation. For extra warmth combine with Manbi handwarmers & gloves.