These rain boots are 100% waterproof and feature rebound cushioning for comfort and energy return. Made with seamless construction, they are 30% lighter and more durable. They include 5 mm Neo-Tech waterproof insulation and DuraFresh natural bio-technology to fight odors. The BLOOM™ footbeds are eco-friendly and help clean polluted water habitats. Heel Lock prevents heel slip for an optimal fit, and BioGrip slip-resistant outsoles enhance safety.