Jefferies Socks Baby Boys' Seamless Casual Crew Socks 3 Pair Pack 76% Cotton, 22% Nylon, 2% Spandex Imported Machine Wash This is a 3 pair pack of socks Sock size infant - shoe size 1-4 - age 3-12 months Sock size toddler - shoe size 3-7 - age 1-2 years