Norfin Klondike Boot w/ Thinsulate Liner - Men's Grey 13. Specifications for Norfin Klondike Boot w/ Thinsulate Liner - Men's: Manufacturer: Norfin Gender: Male Boot Style: Winter Boot Footwear Type: Winter Boots Fabric/Material: Thinsulate Footwear Closure: Pull On Features of Norfin Klondike Boot w/ Thinsulate Liner - Men's Inner Thinsulate layer provides thermal insulation and moisture wicking capabilities Heat reflective foil deflects cold and keeps body heat External polyester layer provides premium insulation and moisture management Package Contents: Norfin Klondike Boot w/ Thinsulate Liner - Men's Norfin 14000-46: Klondike Boot w/ Thinsulate Liner - Men's Grey 13