Plus a Velcro strap, can be adjusted to the snug. To They will fit the foot snugly, active movement is more possible to ◎ And soft midsole which adopted the "cross light" material, in the outsole to provide durability, comfortable comfort in one day. ▼ For material ▼ Cross light material (closed cell) ■ We recommend the same size as the size of the foot (actual) about the size. For example, towards actual size of 27cm, it is recommended M9 (27cm). Size chart of Crocs, please click here.