Rubber sole
Shaft measures approximately Ankle" from arch
Boot opening measures approximately 4" around
Premium full grain leather upper Moisture managing mesh lining 400G Thinsulate Insulation Removable full-cushion insole Advanced comfort PU midsole Wolverine DuraShocks Flex rubber lug outsole that is slip, oil and abrasion resistant Wolverine ContourWelt direct-attach construction engineered for flexibility