Built Not Born SS BJJ Rash Guard - Black Training Lab™ and cognitive function

and cognitive function

This adds concentric training to the workout that's vital for injury prevention and further growing neck strength

In addition

or prevent any disease

prevention

Built Not Born SS BJJ Rash Guard - Black Training Lab™ and cognitive functionEngineered for high performance training, this rash guard combines premium comfort, compression, and durability in a sleek, form fitting design. Whether you're flowing through technique or grinding through live rounds, this rash guard keeps you cool, dry, and focused with sweat wicking fabric and a stay put fit. Details: 81% recycled polyester 19% spandex (U. S. fabric spec) Midweight stretch fabric with compression feel Moisture wicking and fast