Flexible mesh upper hugs your foot for a perfect fit Molded Rubber Outsole – provides durability and shock absorption along with stability. Comfortable, everyday foot shape and fit for all day comfort. Flexible sole conforms to your movements. Machine washable for long lasting freshness. Flexible knit upper hugs your foot for a perfect fit. Stretch Lycra provides comfortable stretch, breathability and fit. Breathability: Knit design is breathable and lets air flow freely to help keep feet cool. Soft lightweight molded sole provides durability and shock absorption along with stability and flexibility. Eva outsole provides lightweight shock absorption while still being flexible. Machine washable for long lasting freshness.