EVA foam for a more water-friendly durability. Slip-on entry with heel strap for a snug fit and street-ready style. BLOOM® performance foam for our cushiest, greenest Hydro Moc yet. Bold color choices for a stand-out style. Vegan-Friendly Weight per shoe: 6.17oz Worn once Excellent condition SIZING The 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 ½ size larger.