The Arctic Adventure winter boot is a welly with a difference. Designed to keep even the most experienced explorer's feet warm in extreme temperatures. These cosy fleece-lined wellingtons have the signature Muck Boot neoprene stretch-fit; keeping warm air in and cold air out whilst helping the boot stay snug to your calves. The lightweight EVA midsole and rubber outsole are a perfect combination of comfort and traction. 100% Waterproof Fully lined with 4mm neoprene for flexibility Fleece lining for warmth Lightweight EVA midsole for added comfort Multi-purpose moulded outsole Pull-tabs for easy on and off Estimated boot height 41cm/ 16.5" Estimated max calf circumference 38cm/ 15.5" Half sizes order up Versatile, general purpose outsole