Men's Sorel Caribou- size 12 Extremely warm, functional for winter. Used but well cared for and in great shape. UPPER: Waterproof nubuck upper. Seam-sealed waterproof construction. Laces are not waterproof. INSULATION: Synthetic insulation. Removable 9 mm washable recycled felt inner boot with Sherpa pile snow cuff. MIDSOLE: 2.5 mm bonded felt frost plug. OUTSOLE: Handcrafted waterproof vulcanized rubber shell with Sorel aero-trac non loading outsole. HEEL HEIGHT: 1 in. PLATFORM HEIGHT: 1/2 in. SHAFT HEIGHT: 10 in. LACE LENGTH: 50 in.