This fan-favorite rain boot is redesigned without seams between the sole and the upper (where boots tend to fail) for enhanced durability and a lighter weight. It's ready to take on the rainiest day in style with waterproof insulation and a slip-resistant outsole. Waterproof: protects against rain, puddles and slush to keep feet dry in wet conditions 12" shaft; 16 1/4" calf circumference Pull-on style with cutout handles Temperature rated to -40°F/-40°C Rebound cushioning provides all-day comfort and energy return DuraFresh natural bio-technology activates to fight odors 5.5mm Yulex natural rubber waterproof insulation 2mm of air mesh for temperature regulation Slip resistant BioGrip outsole Rubber and textile upper/textile lining/rubber sole Imported