Body: 95% Polyester, 5% Lycra. Sleeves: 89% Polyester, 11% Spandex. Developed for ultimate speed and performance. Featuring the latest technical features and materials, this jersey keeps you in the lead. It combines lightweight, breathable fabrics with an all-way stretch design and strategically placed ventilation. This results in a jersey that feels as comfortable as a second skin. Abrasion-resistant sleeves and shoulder panels provide protection on overgrown trails.