Core Vest - Black The 11 Degrees Core Vest - Black is a gym or holiday must have. The Vest which is part of the Core Collection, is constructed in a regular fit using soft jersey fabric (100% cotton). The Core Vest is designed with a crew neckline and curved and drop back hem. The iconic 11 Degrees logo is displayed on the left chest. Regular fit Soft touch jersey fabric Crew neckline Curved hem Drop back hem 11 Degrees logo 100% cotton Model is wearing: a size medium Model\'s height: 6ft Machine wash according to instructions on care label