The Athletic Racerback tank is made from A4's high-performance 5-Star Fabric.  It is perfect for track, softball, marathons or workouts.
 
Features & Benefits:
A4's 5-Star Fabric - 4.0 Ounce Micro Poly Interlock 
Superior moisture wicking for peak performance
Ultra-tight knit for better opacity and printability
Stain release and odor resistant for easy care
Fade and snag resistant for durability
44+ UPF for UV sun protection