100% polyester birdseye piqué knit flatback mesh, Wicking and anti-microbial properties, Self-fabric 3/8" hem, Athletic fit with inset side panels, Reflective piping inset into front sideseam, Racerback pattern; Heat transfer label and sideseam care label, New Balance® logo on wearers left strap (Flying NB); 1" rolled forward shoulders, Sizes: S - 3XL.