Arne & Carlos Pairfect is now also available in child sizes toddler 6 to child 4, or 7″ to 8.75″. The socks are available in eight different cheerful color combinations in 60g balls. The ball is separated in half by a yellow strand, showing you where to begin the second sock for two perfectly matching kid socks. Size is approximately, 275 yards/ 60g. 75% superwash wool, 25% polyamide. See product page for more details. Fingering weight.