Gore Running Wear Men's Magnitude 2.0 Shirt 85% NYLON, 15% ELASTANE, MESH: 100% POLYESTER Imported For endurance runners. Performance-oriented running shirt with mesh inserts and best moisture management. Two additional pockets for sports nutrition. Tight fit 2 side pockets on back Media pocket with cable outlet and cable guidance at collar Mesh inserts for better ventilation Flat-lock seams Reflective logo on front