Fully featured protection in a lightweight package: the Men's Hedgehog Trek GTX Boots provide ultimate protection and mobility on challenging adventures. A GORE-TEX® membrane locks out the wet to keep your feet dry come rain, sleet or snow - perfect for changing conditions. CRADLE® heel-stability technology ensures you stay on course when navigating uneven terrain, and for an extra boost of grip, we've included a Vibram® rubber outsole. Upper: Waterproof nubuck upper Upper: GORETEX® waterproof membrane Upper: Smartlite® PU toe protection Upper: Northotic® Pro premium EVA footbed with gel heel and OrthoLite® forefoot-cushioning pads and EVA CRADLE® support Sole unit: EVA CRADLE® heel-stability technology Sole unit: Compression-moulded EVA midsole Sole unit: Vibram® rubber outsole