Features of the Bogs Women's Neo-Classic Mid Linen Boot 100% Waterproof Made with Seamless Construction G?? 30% lighter and tested to 1400 miles Rebound cushioning provides lasting comfort Constructed with 7mm Neo-Tech waterproof Insulation DuraFresh organic bio-Technology activates to fight odors BioGrip slip resistant Outsole Contoured eco EVA Footbed with gel cushioning Flex width insole adapts to foot width Comfort rated to -58AdegF/-50AdegC