Features: Short sleeve half zip top with contrast stitched raglan sleeves | Tight fit | Inner Muscle technology integrated at the shoulder blade area. Benefits: Excellent moisture management with moisture wicking properties for comfort and performance | A highly elastic diamond shaped panel at the back that keeps the shoulder blades in the correct position opens up the chest and straightens the spine for increased range of shoulder movement easier arm swing and increased lung capacity and easier breathing | Reflective prints for safety | Reflective ASICS logo at left chest.