The all-weather Storm Boot by Quark™ uses the technology of DRYZ™ , Intellitemp and an anatomically correct footbed to keep your feet warm, dry and comfortable for hours. The technology works to wick away moisture, regulate temperature and control odor and the growth of fungi and bacteria. The Duo-Density footbed is cushioned EVA with extra support under the arch, reducing fatigue for all day comfort. The boot also features a washable, removable, neoprene booty. The shell is a lightweight, rubber EVA with insulating air pockets and waterproof leather with a zip front.