Material :80% Cotton / 17% Polyester / 3% Spandex,Hand and Machine Washable
Medium thickness available all seasons, Great ventilation tough and soft,Assure through use washing machine many times it does not shrink or deform
The grippers at sole of socks provide superb grip for fall prevention while walking running on slick surface
Included 6 pairs in different colors as shown in images
2 size for choosing:M size Sole Length: 4.7 - 5.2 inch ( 12 - 13 cm ), recommended for 18 - 48 months;L size Sole Length: 5.5 - 6 inch ( 14 - 15 cm ), recommended for 5 - 10 years