The back version of Drew's super-comfortable 'Warren' sport sandal has three adjustable VELCRO® straps and soft, stretchable linings. The cushioned ULTRON footbed is attached with Velcro so it can be removed to accommodate prescription orthotics. Flexible shock-absorbing rubber outsole. Men's sizes 7–13, 14, 15 and 16 in 4E and 6E.