Fit & Design: Extra-Long Staple Cotton: A premium fiber that's soft, durable, and smooth against your skin. It shrinks minimally in the wash and will hold up wear after wear Cushioned Footbed: Extreme comfort and extra support for your soles A Honeycomb Support System cradles the arch of your foot, like a firm but comfortable hug around your midfoot Blister Tab: A soft, protective cushion at the heel that prevents chafing and blisters from shoe contact Y-Stitched Heel: The Y-Stitched Heel creates a natural cup around your heel made to fit your feet Seamless Toe: They took the extra time to link the final seam on every pair of socks, creating a fully-smooth sock with no annoying bump. Additional Details: Machine wash cold on gentle cycle, do not bleach, tumble dry low, do not dry clean or iron. One Purchased = One Donated(TM)