Nomad Women's Axel Rain Boot 100% Polyurethane Imported Synthetic sole Shaft measures approximately 16.25" from arch Heel measures approximately 1.25" Platform measures approximately 0.5" Boot opening measures approximately 15" around All Nomad rain boots are water resistant not waterproof and are not intended for extreme weather conditions^This style is available in whole sizes only and tends to run 1/2 size large if you normally wear a 7 1/2 we recommended that you order a size 7