Mens Medium Sizes: 3 1/2 to 12 (whole and half sizes), 13, 14, 15, 16 Mens Wide Sizes: 6 1/2 to 12 (whole and half sizes), 13,14 Ladies Medium Sizes: 5 1/2 to 14 (whole and half sizes) Ladies Wide Sizes: 8 1/2 to 14 (whole and half sizes) High grade patent style upper, Special TPR sole, Full Ni-Lex two zone comfort lining, Runner's Ortho Cup, Forepart Pad, Shock resistant heel and sole, Full Arch support