Bogs Women's Classic High Linen Boot 100% synthetic Imported Rubber sole Shaft measures approximately 13" from arch Boot opening measures approximately 15" around Shaft Height: 12 1/2" Fit: This style is available in whole sizes only and tends to run small. If you normally order a 1/2 size it is recommended that you order the next full size up. Insole: EVA Upper: Rubber Features of this item include: Insulated, Non-Marking Sole, Slip-Resistant (Non-Skid), Waterproof