Abstract: A shirt, to be worn on the upper torso of an individual having a waist and waist circumference and a chest and chest circumference, having an upper portion corresponding to the chest area and an upper portion circumference and a lower portion corresponding to the waist area and lower portion circumference wherein the upper portion circumference of the shirt is substantially less than the chest circumference of the wearer and the lower portion circumference is substantially the same as the waist circumference of the wearer. Reinforcement members and panels can be affixed to the shirt to provide additional strength. The shirt can be made of stretchable material and used in weightlifting or for medical rehabilitation.