Improves Concentration and Decreases Fatigue, for everyday wear under workout clothes, dress clothes, sports wear or on its own. A normal fit design (no compression) which makes the shirt comfortable on any body type. Helps to breathe deeper, keep shoulders back and head aligned. Deepens breathing and improves oxygen uptake which makes it suitable for physical performances and challenging tasks Contributes to good appearance and better posture. Functional shape for a natural shoulder position. Perfect for exercise, travel, a busy day at the office or relaxing on the weekend Corrects alignment in joints and spine while preventing backache and muscular strain. Improves digestion through proper posture.