A knee-high shaft brings full-coverage comfort to a snow boot outfitted with a waterproof internal membrane and recycled-fleece lining for moisture management. Stay grounded no matter the weather thanks to a robust rubber sole with toothy, all-terrain lugs. Waterproof: protects against rain, puddles and slush to keep feet dry in wet conditions 2 1/4" heel; 1 1/4" platform (size 11) 15" shaft; 18 1/4" calf circumference Temperature rated to -4°F/-20°C Recycled-nylon and rubber upper/recycled-polyester lining/rubber sole Imported This product meets Nordstrom Sustainably Sourced Materials criteria: contains at least 30% sustainably sourced materials