Unisex-Child Tiro 21 Track Jacket - Too good to limit to the pitch. The Tiro jacket debuted as soccer training wear, but it's now a streetwear staple. We made this juniors' version using recycled materials as part of our commitment to help end plastic waste. The zip pockets, the details are just as useful off the field. This product is made with Primegreen, a series of high-performance recycled materials. 100% recycled polyester doubleknit