Internal PORON® XRD® Metatarsal Guard and a heavy-duty outsole tread design lets you take Rugged Flex® work boots to the most demanding environments. Storm Defender™ waterproof protection and enhanced comfort features with FastDry™ sweat-wicking linings and Cushion Comfort PU insoles power you through each day. Reinforced with strategic hits of high-abrasion rubber on the toe and heel so your boots are as tough as you.