The 365 Sock

3 pairs per pack — $6.66 a pair. Crew socks built to last a year of school, sports, and playgrounds. Backed by our 1-Year Toughness Pledge. Most kids' socks hole out in weeks. The 365 Sock uses a durable nylon blend with reinforced toe and heel so you're not restocking every month. Size Pick by US shoe size when you can: S — US shoe 8C–4Y (about ages 3–8) M — US shoe 5Y–7Y (about ages 9–12) L — Men’s 8–11 (about ages 13+) Between sizes? Choose the next size up. Why they last Hole-resistant nylon with reinforced toe & heel Tough without the bulk — breathable, all-day crew 3-pack so there's always a clean pair 1-Year Toughness Pledge — if they fail in a year, we make it right Go. Play.