The Muckster II is your go-to ''leave 'em by the back door'' boot! Easy to slip on and off, this light-weight, 100% waterproof style is perfect for any chore or task even in the mud, slush or rain. With the high traction rubber outsole the Muckster II was made to shed debris. Now designed specifically for a woman's foot to ensure all-day comfort. Slip them on and you will always feel dry and comfortable. Details: 4mm CR flex-foam, breathable airmesh lining, self-cleaning outsole, high traction rubber outsole. Comfort range: Sub freezing to 65 degrees Fahrenheit. Material: Neoprene, Rubber.