Merrell Men's Noresehund Alpha Waterproof Cold Weather Boot 100% leather/synthetic Imported Synthetic sole Shaft measures approximately 9" from arch Heel measures approximately 2" TPU shelled upper for extreme durability and protection Removable / washable inner boot adds warmth and can be worn on its own as a camp boot Cord and lock lacing system for quick secure fit Bellows tongue keeps debris out Waterproof membrane provides impermeable but breathable barriers