N'Ice Caps TM girls crew two tone sweat socks. Cotton spandex has great smooth feel of cotton. Small sizes up to 6-7.5 have rubber grippers on the soles. 6 pack colors are: 3pr white/pink, 2 pr white/fuchsia, 1pr purple/heather grey. 4 sock sizes: one size fits 4-5.5, one size fits 5-6.5, one size fits 6-7.5, one size fits 7-8.5. Tested and approved as per CPSIA standards.