If you are spotted in a whiteout, might as well look amazing.100% WaterproofConstructed with 7mm Neo-Tech waterproof insulationBioGrip slip-resistant outsoleDuraFresh natural bio-technology activates to fight odorsEco-friendly, algae-based EVA footbed that helps clean polluted water habitatsBioGrip slip resistant outsoleBogs Max-Wick moves sweat away from your foot to keep you dryRebound cushioning provides lasting comfortFleece lining for warmth and comfortComfort rated to -58°F/-50°CHeight = 13 inchesCircumference = 15 inches