Sorel Men's Glacier Extreme Snow Boot 100% Fabric and Synthetic Rubber sole Shaft measures approximately 13" from arch Heel measures approximately 1" Boot opening measures approximately 18" around Knee-high snow boot featuring durable water and wind-resistant PU coated upper with adjustable drawstring and rear pull loop D-ring lacing Logo patch at side Removable 13 mm Sorel meltdown midsole Handcrafted waterproof vulcanized rubber shell with Sorel aero-trac non loading outsole