Gore Bike Wear Universal Thermo Leg Warmers 88% Nylon, 12% Elastane Imported Leg protection for dry and cool days. Good insulation, brushed inner side for a comfortable feeling on knees and calves. Bike specific, pre-formed shape. Unisex sizing: fit according to Men's bottom size Thermo-stretch functional fabric Flat-lock seams Zipper with semi-lock slider and reflective print on lateral hem Gripper elastic on top edge Gripper elastic on bottom edge