PERFORMANCE: The Mountain Hardwear high-performance solar knit tank is ideal for the gym, running, and other activities where you getting a good sweat in MOBILITY: A rear racerack design aids in arm mobility while the dropped back hem ensures you get that extra coverage during that movement MOISTURE CONTROL: This performance fabric wicks moisture away from your body while remaining lightweight and airy SUN PROTECTION: UPF 50 fabric filters harsh UV rays and wicks moisture. The perfect tank to keep you protected on those sunny beach days and BBQ's LIMITED LIFETIME WARRANTY: Limited Lifetime Warranty covers defects in materials and workmanship for the practical lifetime of Mountain Hardwear brand products manufactured by Mountain Hardwear