When they said fast water I thought I'd give them a try because I spend time on the beaches of the Gulf of Mexico and the beaches of Kauai, Hawaii. Received them 3 days early the other day, they look great and feel great on foot. I'm a size 11 and they fit perfectly, if you were a 11.5 yourself I would order a 12 because I don't want my healing down the back of the croc. This pair and the other pair I ordered have an adjustable back strap which makes them perfect. The other two pairs I have are also 11's but without adjustable straps.
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