Leverage is the founding principle of jiu-jitsu: use your structure, not your strength. A smaller person with good leverage controls a larger person with poor technique. This isn't theory, it's physics, and the mat proves it in every class where a 140-pound practitioner taps someone twice their size.For practitioners who understand the principle and train to apply it.A perfect gift for the Old Man Jiu-Jitsu practitioner who has been on the mat long enough to have strong opinions about recovery days. The shirt: Gildan Softstyle 64000, 100% ring-spun cotton, 4.5 oz. Lightweight and soft. No side seams, ribbed collar that won't curl, shoulder tape to keep the back from stretching. Built for daily wear and repeated washing.The print: Direct-to-Garment (DTG), not a transfer, not a sticker. Wash cold, tumble dry low. The print holds.Sizing: Runs true to size. Chest width: S 18" / M 20" / L 22" / XL 24" / 2XL 26" Who it's for Old Man Jiu-Jitsu practitioners who have been rolling long enough to earn the creaks Women who train jiu-jitsu and do not need it explained to them Anyone looking for a BJJ gift that actually makes sense
