REPRESENT YOUR TEAM The Nike Sideline (NFL Steelers) Men's Vest features team details and a sleeveless profile for mobility and easy layering. Benefits Low-profile fill provides lightweight insulation Sleeveless profile allows natural range of motion Mock neck zips up to your chin for comfortable coverage Full-zip design for easy on and off Side pockets and zip chest pocket Product Details Fabric: Body/upper lining/fill: 100% polyester. Lower lining: 100% nylon. Machine wash Imported Style: 852844; Color: Wolf Grey/Black/University Gold/Yellow Strike; Size: L; Gender: Men; Age Group: Adult [t shirt, t-shirt, tee shirt, tee]