Our Storm Chaser has a great fit, while still providing the waterproof protection of rubber boots and the comfort of sneakers. The new ballistic mesh upper is super-tough, lightweight and strong. The lightweight rubber half shell and cushioned EVA midsole add flexibility and are built from the same materials used in walking and running shoes. The slightly wider fit is more comfortable with midweight socks, and a roomier toe box adds even more comfort. A TEK2.5® lining keeps feet dry.