Men's Cobian, Roca Rise Sandal. Take your style from the streets to the sand in the Cobian Roca Rise Sandal. Featuring a comfortable, supportive footbed and synthetic leather straps for a classic look, these flip flops are great for casual wear on warm days. Easy care synthetic uppers with soft microfiber lining Footbed features multi-density cushioning with added arch support Light and flexible Trek rubber outsoles