Mastery Over Victory. The NGRG “Master the Art” Rash Guard is built for those who train with deeper purpose. Not for the flash, not for ego—but to evolve. Whether you're rolling No-Gi, drilling fundamentals, or testing yourself in live rounds, this rash guard reminds you: winning is a moment—mastery is a mindset. 81% recycled polyester, 19% spandex (Lycra) (in the US) Fabric weight: 7.52 oz./yd.² (255g/m²) (in the US/MX) Soft, stretchy, comfortable, moisture-wicking fabric Fitted cut UPF 50+ protection Premium quality The recycled content of this product is certified under GRS (Global Recycled Standard) The fabric is OEKO-TEX 100 standard certified