Engineered with Chaco’s contoured LUVSEAT arch-support that promotes healthy alignment. The corrective footbed feel fantastic after long runs, hikes, and workouts. Perfect for beach days, before and after the gym, the yoga studio, spring break, or just hanging or just hanging poolside or fireside. The EVA construction means they float in water and are marshmallow soft underfoot. Vegan. UPPER: Padded Polyester Webbing. MIDSOLE: EVA footbed with LUVSEAT contour. OUTSOLE: High abrasion EVA with wave fin traction design.