Additional Details ------------------------------ Product description: This ultra-comfy open-air adventure trainer pushes boundaries so you can, too. With a countered, adjustable fit, unending comfort, and a breathable knit upper made entirely from recycled PET plastic bottles. Features Non-marking rubber outsole leaves no trace Material Recycled PET plastic cord and knit upper forms to the foot Higher-traction rubber outsole High-rebound EVA midsole offers resilient cushioning Breathable mesh lining EVA insole with arch support for all-day comfort