adidas Tiro 21 Windbreaker Navy Blue GP4974 Kids Jacket Properties: The adidas Tiro 21 children's windbreaker is perfect for training. The full-length zipper allows for quick dressing. The mesh lining supports the body's ventilation process. Aeroready technology ensures dryness during product use. Two side pockets with zippers. Material: 57% polyester, 43% recycled polyester