An athletic-inspired design with a contemporary twist, FitFlop F-mode Flow sneakers blend cutting-edge footwear technology with effortless wearability. They have a quilted-knit polyester upper to offer breathable comfort while maintaining a sleek, mo Polyester lining and rubber insole. Ergonomically engineered to help optimize your body's alignment, natural movement & energy. Slip-on closure with a back pull tab. Natural arch support.