This garment has been improved by adding in a raglan style shoulder to give a better fit, also the Italian Lycra side panels which will give you a good firm fit and make the garment a pro fit, a 3/4 hidden zip for air control, 2 pockets in the back, Airlite fabric from Italy. This Singlet is a proven winner for a breathable singlet used by many in a wetsuit swim triathlon. Sizes Small to XXLarge.