"Walk Free" with this raved about zip-in studded boot. Icebug Ivalo boot. Water repellent ripstop nylon outer with a secure fit. Mid cut gives ankle support and EVA stabillizer and lots of forefoot rocker give stable ride platform for fast and healthy feet. Insulation provides just enough warmth cold weather comfort. Icebugs 16 carbide tungsten studs keep your feet under you! Slippery winter walking or sloppy summer trails and boardwalks will be easy going with this boot!