MERRELL HYDRO MOC - MEN'SUsing advanced construction techniques, this easy on / easy off shoe is more durable that others of its kind--for days spent in and around water.FEATURESSingle-density injected EVAContoured arch for supportArticulated heel with strap for secure fitTECH SPECS2mm lug depthWeight: 0lbs 14oz / 410gThe Hydro Moc is designed to be an easy on / easy off shoe, so sizing is generous. If you normally wear a half size in Merrell footwear, we suggest you size down in this product, rather than ordering the 1/2 size larger.