e Chaco Flip Ecotread Sandal's supremely comfortable and biomechanical design provides a stubbornly sticky grip while delivering barefoot-like comfort you barely know you have them on. This flip flop has a biocentric foot bed with aggressive arch support and a heal cup that absorbs shock and a heal riser that increases stability. This flip flop is Water Friendly and can even be put in the washing machine! Designed to support your foot like no other, the Flip's footbed cradles every contour of your foot, and will not compress or wear out over time. Low-profile but super tough Colorado outsoles, made of grippy EcoTread rubber! With the great looks of these Chaco Flip EcoTreads you can wear them out on the town or getting out with mother nature! BioCentric footbed with PU formulation oriented towards out-of-box comfort Fixed straps anchor under mid-foot to eliminate flop and promote active use Nylon toe piece engineered for the perfect blend of durability and comfort EcoTread outsole features 25% recycled rubber