Easting Unisex Child's Crew Socks Wool Thick Winter 5-Pack Mix Colors Packing Contents:5 pairs socks (Random Color). Soft and Comfort. Material: Wool 75% Polyester 22.5, spandex 2.5% , have elasticity .Craft:jacquard weave,comfort and soft. Function:Breathability/Invisibility/Antibiosis/Absorbent/Deodorization S/M/L size, is suitable for 1 to 13 years kids. Machine Wash.