Muck Boot Mens Arctic Pro ST Knee High Boot Brown Steel Toe 8 M US

9 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 Mucks warmest boot fleece lining is soft durable and provides exceptional warmth in extreme cold 2 mm thermal foam under the footed for extra warmth comfort rated from 60 F to 30 F 50 C to 1 C Stretchfit Comfort Topline snugs calf to seal in warmth while keeping cold and debris out double reinforcement in the instep heel and Achilles area where you need it most Lightweight EVA midsole for additional cushioning super aggressive BobTracker outsole is rugged and durable Highgrade rubber provides extra toughness and makes for a 100 waterproof hunting boot Shaft Circumference is 17 inches rear pull loops for easy onoff