Features • 100% Waterproof • 17" calf circumference vs. standard 14" • 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