Muck Boot Arctic Excursion Men's Rubber Winter Ankle Boot Synthetic Rubber sole Shaft measures approximately 7" from arch 5 mm neoprene provides comfort and flexibility, along with excellent waterproofing, shock absorption and heat retention properties; adjusts to your foot shape to resist blisters and chafing High-grade extended rubber exterior provides additional tough waterproof barrier; low cut is perfect for cold days when the snow is not too deep but the conditions are muddy, slushy or wet Fleece lining is soft, durable and provides exceptional warmth in frigid environments; etc Sockliner reduces underfoot friction and heat build-up; comfort rated from -40 F to 40 F (-40 C to 4 C) EVA midsole for lightweight support and cushioning; rubber pod EVA outsole grips for better traction on ice and rain-slick surfaces 100% waterproof winter boots; Rear pull tabs for easy on/off