This is an official MOSSA "Group Centergy" training tank top. It's an authentic NIKE product, recommended for instructors and enthusiasts alike. Size: Men's L Color: Black Material: Breathable mesh fabric, comfortable even when you sweat. Lightweight and easy to move in, perfect for the gym, studio classes, yoga, and Pilates. Ideal for Group Centergy fans and those looking for a rare item! The condition is good, but please purchase only if you understand that this is a used item.