DETAILS WINTER ADVENTURES The Caribou is our favourite for cold winter activities. The waterproof construction of this very comfortable boot combines with a suede and reinforced plastic upper. The iconic Caribou design provides good traction on different terrains. Upper: Water-resistant nubuck upper. Water-resistant construction. Laces are not waterproof. Insulation: Removable 9 mm washable recycled Sherpa collar inner lining. Midsole: 2.5 mm cold-proof sole Outsole: Sorel aero-trac, hand-made waterproof rubber sole Heel Height: 3.1 cm Platform Height: 1.9 cm Boot Height: 21.5 cm Lace Length: 109 cm Application Areas: Heavy snow