The Zoot Performance Tri Racerback top is a versatile piece for training and racing, providing essential support without sacrificing style. Performance fabric provides compression and muscle support, reducing muscle fatigue while increasing endurance. UPF rating of 50+ protects skin from damaging UV rays. 4-way stretch offers unrestricted range of motion. Quick drying fabric with flatlock seams reduces chafing for optimal comfort. Zoot Performance Tri Racerback tank top features multiple stretch-mesh rear pockets that neatly hold small fitness essentials. Closeout.