Performance knit fabric provides long lasting comfort Soft, stretchable material Chemical free Machine washable UPF 50 protects against harmful UV rays Anti-odor treatment to keep away unpleasant body odor Once wet, instant cooling lasts for hours When dry, wicks moisture to absorb sweat from body Provides protection from light abrasions Reflective accents for visibility on busy streets or job sites Excellent for exercising or working Run cooling sleeves under cool water then twirl or shake to activate (or use to wipe sweat)Vendor Style Number: 6690