The Atmosphere Long Sleeve provides cool coverage you can barely feel. Perfect for staying covered even on warmer runs, the ultra light fabric wicks away sweat and dries quickly for lasting comfort.

Features:

• Updated fabric wicks away sweat more efficiently than previous versions
• Fabric offers a comfortable fit; thumbholes keep the sleeves in place
• Fabric also offers UPF 50 sun protection
• The fabric's antimicrobial finish keeps the top fresh between washes.
• Made with recycled fabric equal to 17.4 plastic water bottles