Design: EVA shell and breathable mesh upper for a lightweight and flexible fit Heel pull loop for easy on/off In-Shoe Comfort: Lightweight high rebound EVA foam midsole for stability and comfort Breathable mesh lining keeps your feet feeling good 100% recycled mesh footbed cover 50% recycled removable EVA foam footbed Durability & Traction: Merrell sticky rubber outsole with durable traction that grips when and where you need it