72850 Bogs Women's Neo-Classic Tall Adjustable Calf 30% lighter than other boots. 100% tougher too. These boots also feature an adjustable calf for a more comfortable fit. 100% Waterproof Boot shaft easily adjusts to fit different size calfs Rebound cushioning provides all-day comfort and energy return Made with seamless construction – 30% lighter and more durable Constructed with 5mm Neo-Tech waterproof insulation DuraFresh natural bio-technology activates to fight odors BioGrip slip-resistant outsole BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats Flex Width insole system adapts to foot width Heel Lock prevents heel slip and ensures optimal fit Comfort rated to -58°F/-50°C Product Care Boots can be easily cleaned with a hose and bit of gentle scrubbing, using cold water and soap (if needed). Wipe clean, leave your Bogs to dry naturally, away from sunlight or artificial heat sources. Avoid harsh solvents that could damage and break down rubber. Store them upright to avoid creasing or folding.