Please note that dispatch (from the U.K.) can take up to 3 weeks but more likely between 1-2 weeks. The sizes shown are UK sizes. This Too Old Premium Short Sleeve Rash Guard is highly suitable for MMA practitioners. It features a vibrant Multi-Coloured design that stands out during training sessions. Designed specifically for Brazilian Jiu-Jitsu (BJJ) or Mixed Martial Arts (MMA), this rash guard offers both style and functionality for athletes looking to enhance their performance and protect their skin during intense training sessions.