The Kilpi TOMMS-JB boys' functional sweatshirt is a very versatile middle layer for sports activities or hiking, outdoor and leisure. Thanks to the OPTI-STRETCH material, it is highly elastic, helps wick moisture away from the first layers and protects against the external cold. The TOMMS-JB sweatshirt has two pockets and a high collar finished with a chin guard. Material composition: 92% polyester, 8% elastane