Lightweight with a lighting-fast dry time, the Brooks Atmosphere Long Sleeve 3.0 provides comfort for miles! This ultra-light running shirt features UPF 40+ protection for your summer runs. Breathable, sweat-wicking fabric provides a weightless feel, while an odor-resistant finish helps the shirt stay fresh between washes. Key Features: Sweat wicking: Breathable GO2� fabric wicks sweat and takes less than seven minutes to feel dry on the body for long-lasting comfort. Sun protection: UPF 40+ fabric protects skin from the sun. Odor resistant: Antimicrobial finish eliminates bad smells by preventing odor-causing bacteria from growing. Semi-fitted Back neck hanger loop Smooth and soft Great stretch Thumbholes Secondary performance fabric for added visual and technical aesthetic.