Nike AeroReact Long Sleeve Cowl Running Shirt

Made with AeroReact fibers that adapt to your body temperature by opening when things heat up and closing when you need to lock in heat, this running shirt works with you to reach top performance. 
The weather will change, but you shouldn't have to. Nike AeroReact technology helps you maintain optimal temperature. Created to map your body's natural contours with articulated seaming to move with you as you run. Cowl-neck design (loose turtleneck) and dropped back hem for warmth and extra coverage Raglan sleeves Pullover Tagless neck Taping in neck 78% polyester/22% nylon. Measures about 21" across the chest (pit to pit) and 25 1/2" from neck to front hem 2401-63m