SBMT Boxer Willie Rash Guard – Short Sleeve Train with grit and character in the SBMT Boxer Willie Short Sleeve Rash Guard . Featuring a bold design inspired by classic boxing spirit, this rash guard is crafted from a durable and flexible blend of 84% polyester and 16% Lycra , built to handle the intensity of your toughest sessions. The short sleeve cut allows for optimal mobility and breathability, keeping you cool and unrestricted during grappling, sparring, or conditioning. Whether you're rolling or striking, this rash guard blends performance, comfort, and unique style — honoring the legacy of fighters like Willie. Perfect for BJJ, MMA, and all-around combat training.