Design Cushioned Footbed provides extreme comfort and extra support for your soles Honeycomb Support System cradles the arch of your foot, like a firm but comfortable hug around your midfoot Soft, protective cushion at the heel that prevents chafing and blisters from shoe contact Technology Y-Stitched Heel creates a natural cup around your heel made to fit your feet Seamless Toe is linked with a special knit stitch that eliminates the annoying bump that runs across the toes of most socks Hex Tec: Performance breathability and moisture-wicking to keep you dry, cushioned and comfortable Additional Details Machine wash cold on gentle cycle, Only non-chlorine bleach when needed, Tumble dry low, Do not Iron, Do not dryclean One purchased = one donated