All the nostalgia of retro sneakers reimagined for the beach lifestyle, the OluKai Ha'Upu Hulu shoes are designed with a classic lace-up style and contrasting materials for everyday style. Waterproof, the upper features a mix of lightweight and breathable mesh, premium suede, and synthetic ripstop on the heel for contrast. The removable and washable dual-density PU footbed with a cushy gel insert delivers maximum comfort and support while the collapsible drop-in heel allows these sneakers to double as a slide. These lace-up sneakers feature a cupsole that is constructed of full rubber for durability with an internal midsole made of soft EVA for comfort. Round toe design. Non-marking Wet Grip rubber outsole.