With its impeccable craftsmanship, the Adirondack proves that style and function can happily coexist in a winter boot. The full-grain leather upper and versatile suede shaft can be folded up or down, revealing the luxurious wool lining. These boots are fully waterproof and feature lightweight synthetic insulation, providing ultimate comfort even in sub-zero conditions. A foam midsole and specially designed tread offer support and traction for all your winter adventures. Waterproof leather and bootie construction, combined with a mix of UGGpure™ wool and Sherpa fleece lining, keep your feet warm and dry. Plus, with a playful roll-up shaft option and a cozy UGGplush™ wool and lyocell insole, these boots are sure to keep you looking and feeling fabulous in any chilly situation. And the best part? UGG rates these to handle temperatures as low as -32°C.