The Runhit Boys BJJ Rash Guard is designed to give kids the comfort, durability, and flexibility they need for Brazilian Jiu Jitsu and a wide range of high-energy sports. This short sleeve compression shirt is made from a premium blend of 80% Nylon and 20% Spandex, offering a glossy, sleek outer finish with a cool, smooth, second-skin feel that kids enjoy wearing. The 4-way stretch fabric adapts naturally to every movement, allowing children to roll, grapple, and transition smoothly during training without restrictions. Built with a tightly woven, thick, and non-transparent structure, the fabric resists snagging, tearing, and pilling even during the most intense sparring and rolling sessions. This strong construction ensures long-lasting performance and keeps the rash guard intact session after session. Kids can focus on building skills and improving technique without worrying about damage to their gear. The flat round neckline, silky touch, and tag-free interior help prevent irritation and chafing, ensuring lasting comfort even during long hours of practice. The advanced moisture-wicking and quick-drying technology helps sweat evaporate quickly while releasing excess heat, keeping kids cool, dry, and fresh throughout demanding workouts. The fabric is also designed with UPF 50+ sun protection, blocking 98% of harmful UVA and UVB rays. This makes the rash guard suitable for both indoor training and outdoor activities, where sun protection is just as important as comfort and flexibility. Available in 9 versatile color options, this rash guard lets kids express their individual style while staying fully equipped for performance. It is perfect for Brazilian Jiu Jitsu, MMA, wrestling, and boxing, but its benefits extend to other sports as well, including soccer, basketball, football, baseball, hockey, and running. Whether practicing on the mats or playing team sports, this rash guard delivers the balance of performance and style kids need. The signature Runhit logo printed on the chest and back adds a bold, recognizable touch for a confident look. For care, the rash guard is easy to maintain—machine wash cold with like colors, then tumble dry low or hang dry. Avoid using bleach, ironing, or dry cleaning to preserve the elasticity, softness, and sleek look of the fabric. With its combination of durability, breathability, sun protection, and flexible stretch, the Runhit Boys BJJ Rash Guard is a dependable training essential that keeps kids comfortable, protected, and confident in every activity