Baffin Men's Canadian Snow Boot 100% Synthetic Imported Rubber sole Shaft measures approximately 10" from arch Boot opening measures approximately 19" around Removable 8 layer foam inner boot system adds warmth Seam-sealed waterproof construction Rubber outsole with integrated arch support Reflective piping for high visibility at night D-ring lace system Baffin keeps you firm on your feet in this sturdy snow boot.