Warm skiing socks are made of high content 85% Cotton+10% Acrylic+5% Spandex, extra cushion on knee and heel part provide enhanced thermal properties and superior warmth. Ski sock size covers several stages, ideal for 3-15 years old boy/girl/toddler/youth. XS for ages 3-5 years, S for ages 5-10 years, M for ages 10-15 years. Please read the size chart before purchase. Warm thermal socks are equipped with non-slip cuff that stays up and do not slip off. A supportive over-the-calf fit means these socks will stay on no matter what your kids do, no worry about warm socks slipping down in the boots anymore. The design reduces shin abrasion and foot stress from boots. Kids ski socks are designed by some cute patterns on different colors. Ideal gift choice for both boys and girls on Christmas, Halloween, New Year. Also a great gift for ski enthusiasts, family, and friends. Kids ski socks can best suit for outdoor winter sports in cold winter, skiing, snowboarding, ice skating, camping, cycling, hiking, roller skating, trekking etc. They help warm your feet while provide good protection at the same time. A good pair of ski socks is the solution for a problem-free experience with your kids. They are thick to provide optimal warmth but not too thick to impact the fit of the boot. Take extra care with your children?s feet is necessary and important. Hand washable and machine washable, children can say goodbye to cold toes, wet toes and tired feet on the slope. Widely used in different outdoor sports like skiing, snowboarding, jogging, hiking, sledding, skating, hiking, cycling, roller skating and other winter sports. Socks are best Christmas gift for both boys and girls, toddler and youth. Specification: Material: 85% Cotton+10% Acrylic+5% Spandex Size: XS: EU 27-30, fits for 3-5 years S: EU 31-34, fits for 5-10 years M: EU 35-38, fits for 10-15 years Package includes: 1 Pair Ski Socks