Muck Boot Arctic Hunter Extreme Conditions Rubber Women's Hunting Boot Neoprene Rubber sole Shaft measures approximately 15" from arch Boot opening measures approximately 16" around 5 mm neoprene provides comfort and flexibility, along with excellent waterproofing, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing High-grade extended rubber exterior provides extra toughness and makes for a 100% waterproof hunting boot Fleece lining is soft for enhanced comfort, durable for long wear, and provides exceptional warmth in frigid environments; comfort rated from -40 F to 40 F (-40 C to 4 C) Comfort insole supports and cushions feet; womens last is specially designed to support the female foot Rugged outsole offers durability and traction on slick surfaces; pull tab for easy on/off