Baffin Men's Icebreaker Snow Boot 100% Synthetic/Fabric Imported Rubber sole Shaft measures approximately 12" from arch Heel measures approximately 1.75" Platform measures approximately 1" Rugged snow boot featuring drawstring topline to maintain warmth and D-ring drawstring lacing for easy, secure fit Removable multi-layer foam inner boot system for lightweight warmth Integrated Arctic-Flex rubber base for flexibility in cold conditions ICEPAW outsole for enhanced grip Rated to -94 F