- Under Armour Girls' Size Chart - All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. - Gear up for greatness wearing Under Armour® Kids Motion Jacket! Elevate their everyday adventures with this sleek, crew-neck jacket featuring long sleeves, a secure zippered front closure, and a regular fit that moves with them. Hand pockets add extra convenience for storing small essentials. Designed to empower young athletes, this jacket is a testament to Under Armour's mission: making you better. Set new goals and crush them with cutting-edge performance innovation that challenges the limits of what you thought possible. - 100% polyester. - Machine washable. - Imported. Measurements: - Length: 17 in - Product measurements were taken using size SM (8 Big Kid). Please note that measurements may vary by size.