The Keen Brixen Low Waterproof has winter-ready construction with easy, slip-on style. This shoe is perfect at home, around town or out in the wild. Waterproofing protects the outside, and a thermal heat shield footbed keeps heat in. Features 200g KEEN.Warm insulation Who knew charcoal bamboo could create something that keeps your feet warm? But it makes KEEN.Warm—a lightweight insulation that provides warmth where you need it most. KEEN.Dry waterproof breathable membrane A proprietary waterproof, breathable membrane that lets vapor out without letting water in. Shellback heel support TPU stability shank Thermal Heat Shield Footbed A tri-layer footbed used in KEEN.Warm insulated work boots that captures warmth and provides underfoot comfort. Weight: 19.4 oz / 550.0 g Material Waterproof nubuck leather upper Dual climate non-marking rubber outsole Compression molded EVA midsole Wool felt lining Removable thermal heat shield footbed BRIXEN LOW WP - 1002268