Functional.Non-slip soles help prevent slips on wet & dry surfaces.Non-slip soles help prevent slips on wet & dry surfaces.Smart-powered.Sun Safe UPF50 protection for hours of outdoor fun!Quick drying, breathable fabric gives a wonderful barefoot feeling to wear all day.High tech soles protect feet on hot sand & floors and provide protection from infection such as verruca's.Light & flexible design makes Slipstop super easy to swim in..High tech soles protect feet on hot sand & floors and provide protection from infection such as verruca's. Elasticated stretchy fit allows children to easily wear and take off themselves and helps keep out sand & pebbles