This new T-shirt is an excellent choice if you have shoulder and back problems. It is very stylish and great for everyday wear. Unlike the T-shirt this model is cut to shape to the contours of the body with black piping seams, small standing collar with short front zipper at the neck. The white T-shirt has black piping seams and the black T-shirt has white piping seams. Very good fit and can be used if you are in pain or if you just want to look good. https://botcanada.com/ Sizing charts can be found https://botcanada.com/sizing-charts/