Crafted of Bruno (dark brown) waterproof nubuck and black vulcanized rubber, Sorel's CaribouTM snow boots are styled with removable ThermoPlusTM felt liner and Sherpa PileTM cuff. Seam-sealed waterproof construction Temperature rating: -40 degrees Celsius, -40 degrees Fahrenheit 1.5"/40mm heel (approximately) 9" shaft (approximately) Rounded toe, debossed logo at shaft, pull tab at topline, bonded felt frost plug at midsole, black round laces, silvertone D-rings Lace-up style Removable ThermoPlusTM felt liner with Sherpa PileTM cuff Non-loading AeroTracTM rubber sole Available in Bruno (dark brown)/Black Imported