pack includes 10 pairs of crew socks rib-knit cuffs notched seams at toe and heel size 0-6m = 19"-27" height, 7-17 lbs. weight size 6-12m = 27"-29" height, 17-22 lbs. weight size 12-24m = 29"-33" height; 22-30 lbs. weight size 2t-3t, height 33"-39", 30-36 lbs. weight size 4t-5t = 39"-45" height36-46 lbs. weightmachine wash according to the care instruction label .