The model and sizes are like in Jack bench shirt, but there are no extra seams on the front panel, this gives huge rebound from the chest. The collar is thick and it is 4 cm ( 1,3/4 inches ) wide. Because of the angle of the sleeve and front panel, the shirt works all the way from the chest to the up position. Select your shirt size so that the sleeves are tight, so the shirt will use all the features. The shirt is easy to adjust and easy to lift.
Brian Schwab"The single ply Metal M has the most supportive collar and chest plate I've seen in a single ply shirt, but is designed with great support throughout the whole lift. This one is a winner."