The Hydro 2.0 has got your back no matter the circumstances! Lightweight synthetic upper. Adjustable hook-and-loop closure. Soft EVA molded footbed. 0mm heel-to-toe drop for a barefoot feel. Flexible non-marking outsole with M Select GRIP for superior traction. Imported. Measurements: Weight: 9 oz Product measurements were taken using size 7 Big Kid width M.Weight of footwear is based on a single item not a pair.