Sorel Caribou Winter Boots. Get outdoors in style with the Sorel Caribou winter boot. Features waterproofed nubuck leather uppers that are triple-stitched to handcrafted waterproof rubber bottoms for long-lasting wear. Warm acrylic fleece pile collars help keep snow and debris out of boots. Features: * Waterproof nubuck leather upper * Seam-sealed waterproof construction * Removable 9mm ThermoPlus felt Inner Boot * Sherpa Pile snow cuff Excellent, preowned condition. Size 6 This boot runs a little large due to the tough, roomy liner that's perfect for thick socks. Consider sizing down. These run a little big - I’m a size 7 and they fit me perfectly