The super-cushy men’s base camp slide iii has a comfortable, bandage-style strap that’s made with a combination of p.E.T. Mesh foam and a recycled version of the fabric from our iconic base camp duffel. Upper tpu strap made with 5% recycled p.E.T. Mesh foam and lined with 100% recycled polyester sole unit -density eva-foam midsole outsole offers a comfortable, lightweight feel