Athleta Black Sprinter Vest Women’s Size Large •Excellent used condition with no flaws •Two front zippered pockets. •Shell Body: 100% polyester. •Shell: Panels: 92% polyester, 8% spandex. •Lining: Body: 92% polyester, 8% spandex. •Lining: Panels: 100% polyester. PRIMALOFT ECO Synthetic insulation is an alternative to down for warmth. Primaloft insulation is a high-performance insulation with the full spectrum of features to brave the elements. PLUSH TECH PANELS. For toasty warmth.