Insole, Unisex, Size Men’s 12-1/2 to 13-1/2 / Women’s 14-1/2 to 15-1/2, Length 13 in, Width 3 in, Thickness 1/2 in, Foam, Sorbothane, Yellow/Blue, Round Toe Shape, Prevents Back Pain, Fatigue, Foot Pain, Knee Pain, 1 Pair