This professional kids ski suit is crafted from high-quality pure cotton fabric with comfortable cotton lining, providing comprehensive protection for children during winter outdoor activities The onesie design offers excellent windproof performance while effectively preventing snow and water penetration, allowing kids to enjoy skiing and snow play freely Thick cotton filling ensures outstanding warmth retention, maintaining stable body temperature even in freezing conditions with professional-level waterproof rating Fashionable multi-color designs in sky blue, yellow, orange, green, navy blue and other colors cater to different children's aesthetic preferences Precise size range from 100cm to 160cm covers 90-160cm height range, ensuring perfect fit for every child Suitable for snow sports, ball games and various outdoor scenarios, making it an ideal choice for winter children's outdoor activities with reliable quality and durability