Winter boots Sorel size 6The Caribou is a favorite for everyday cold weather activities. This ultra comfortable boot features seam-sealed waterproof construction, with a suede and ballistic nylon upper. Iconic Caribou lug design provides proven traction on various terrain.UPPER: Waterproof nubuck upper. Seam-sealed waterproof construction. Laces are not waterproof.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 1/4 in.PLATFORM HEIGHT: 3/4 in.SHAFT HEIGHT: 8 1/2 in.LACE LENGTH: 43 in.Please note: Laces and zippers incorporated in SOREL footwear are not waterproof.Measurements based on size 7.Uses: Heavy Snow