Cold weather boots that are ideal for everyday winter wear. Double-weave 900D nylon upper with reflective piping. Wrap-around ankle strap for support. 7-layer inner boot system with Thermaplush insulation. Proprietary EVA midsole compound that is cold resistant. Cold-resistant rubber outsole with arch support. Rated to keep you comfortable in temperatures down to -40øC/-40øF. 12.00" shaft height. 19.75" circumference. 33.50 oz. Features: Outsole: Rubber with integrated arch support Midsole: Proprietary cold resistant EVA compound Base: Synthetic rubber Liner: 7-layer inner boot system with Thermaplush Insole: N/A Upper: Double-weave 900 Denier nylon with reflective piping Fastening System: Locking snow collar ÿ