KUIU HD MUD BOOT - SIZE 8 - Worn once Neoprene insulated slip-on to protect in cold, muddy, and icy conditions. Weight 4 lb 10.6 oz / 2115 g (9 – Pair) Protection Waterproof Windproof Durable Self-cleaning soles Materials Insulating Neoprene Vulcanized Rubber Overlay EVA Soles Conditions Cold to Frigid Cold - (32-45°F / 0-7°C) Frigid - (Below 32°F / 0°C) Fit 8-10 Height: 17 in / 43 cm 11-14 Height: 18 in / 46 cm 8-10 Opening: 15.5 in / 39 cm 11-12 Opening: 16.75 in / 43 cm 13-14 Opening: 18 in / 46 cm Sized for midweight socks Mud release sole design Grid fleece liner for comfort and airflow Kick-off heel tab Durable pull-on loops Insulating 7mm neoprene boot construction -Comparable warmth to 1000+ gram insulation Vulcanized rubber boot overlay Bonded grid-fleece boot lining ¾ boot shank for optimal stiffness Patent-pending self-cleaning EVA soles