100% waterproof. Sleeker look with sneaker-like fit. Durable hand-lasted rubber over a four-way stretch inner bootie. Constructed with 7mm waterproof Neo-Tech™ insulation. Bogs Max-Wick™ moves sweat away from your foot to keep you dry. Dual-density, contoured EVA footbed. Non-marking and self-cleaning outsole. DuraFresh bio-technology activates to fight unwanted odors. Easy pull-on handles. Comfort rated from temperate to -40˚F/-40˚C.