Cool from the jump. Thanks to technical fabric and strategic mesh paneling, this sweet tank cools, ventilates, and performs as you sweat your way to the finish. We love it for: racing and training ChillMesh(TM): 88% cooling polyester, 4% polyester & 8% spandex Cooling, breathable, lightweight & smooth WickMesh(TM) side panels: 95% polyester & 5% Spandex Wicking, breathable & lightweight Semi-relaxed fit Comfort neck tape reads "born to run free" Racerback design Contrast stitching on panels Reflective logos & back bar V-notches at hem Curved back hem Machine wash cold, tumble dry, don&';t bleach Designed in California, made abroad