This everyday sock has a fun stripe and a wealth of comfort features. Seamless toe in flex zone reduces bunching. Extra cushioning on the bottom absorbs impact. Y-shaped heel pocket design creates a better fit. Contoured arch provides support. Keen offers right and left-foot specific socks for the best possible fit. Crew sock rises to just below the calf. Lite-weight fabric. 58% merino wool, 39% nylon, 3% spandex.