Nike Alpha Elite Football Jersey CORDURA®-certified nylon fabric is stretchy and durable so you can make your move worry-free. 2-way stretch mesh panels keep you cool and give you room to move. A chainmail mesh grill at the collar is inspired by NFL jerseys. Cap sleeves and an elastic waist give opponents less to grab. Stripes at the neck and sleeves offers an old-school, varsity look. 86% NYLON 14% SPANDEX.