No matter the terrain, the Crocs clog is designed to keep your feet protected from harsh surfaces. The lightweight foam upper is combined with a Crosliteâ„¢ footbed, while a rugged lug outsole provides a traction-fuelled finish. Foam Construction, Crosliteâ„¢ Footbed, Heel Strap. This clog is perfect for any adult looking for comfort and durability.