SHIMANO SH-SD501 Cycling ShoesSPD Cycling Sandal. Warm weather casual riding option that wears like a sandal and pedals like a cycling shoe. Glass fiber reinforced shank plate for optimum sole rigidity. Stable rubber outsole for comfortable riding and walking. Smooth mesh and synthetic leather liner for barefoot riding comfort. Classic dual strap and open toe design for an efficient and comfortable fit. Same one step sizing as SHIMANO cycling shoes. Standard: 38 48