This children's ski suit is made of 100% polyester oxford fabric, featuring a 5000/5000 grade waterproof and breathable PU coating and Teflon water-repellent treatment. It is complemented by 250g of warm insulation and a cotton-polyester blend skin-friendly lining, providing windproof, waterproof, and temperature-locking warmth. The windproof placket, adjustable elastic hat strap, elastic cuffs and hemlines with anti-slip ankle loops, and dual-pocket design ensure both practicality and comfort. The reflective strip on the back enhances visibility in the snow, offering comprehensive protection for children's outdoor safety.