The Wrightsock Lite formerly known as the Running Lite is a lightweight casual style that works well with sneakers, light hiking boots or any casual shoe. The Wrightsock Lite is flat knit and has some extra stretch, so it will move with you and feel like your wearing weightless socks. This Anti-Blister Double Layer sock has an outer layer of lightweight Dri-Wright polyester for a complete airy feel and an inner layer of that same amazing Dri-Wright fabric for complete fast wicking action. Together you have the perfect feather light moisture wicking style that will work for you 'round the clock. For optimum performance, wash before wearing. Turn inside out, machine wash warm. Do not bleach or use liquid fabric softener. Tumble dry.Crew length is approx. 9" from the heel seam to the top of the sockUse Wrightsock's signature size chart with color coded toe seams to select the "Wrightsock" size for you!