Elixir Golf Naska UV Protection Arm Cooler Sleeve-1 Pair 1 Pair/Set, Ultimate UV Protection; UV-R, UV-A BLOCK 999-Percent, UV-B BLOCK 994-Percent Cooler than Bare Skin Perfect for All Outdoor and Indoor Activities even Work-space Upgraded Non Slip Elastic Bands on Top and Bottom 3rd Skin Concept-Make more comfortable than others Premium Fabric; Tactel 88-Percent, Lycra 12-Percent (Fast Sweat Kick-away and Fast Dry)