These waterproof boots feature a single piece rubber sole and upper, so there is zero chance of leakage underfoot. These boots are amazingly lightweight and combined with a super spongy trampoline midsole and you have the ultimate in comfort. These waterproof boots also include an all terrain sole and soft, flexible (and 100% waterproof) 5mm neoprene shaft. These boots will keep you warm and dry in the harshest of conditions.