"Women's Korsa® Fly Long Sleeve: The Korsa Fly Long Sleeve is a women's long sleeve running top built for those in-between conditions where a short sleeve leaves you wanting more coverage but a heavier layer would slow you down. Made from a performance knit blend, it sits in a comfortable middle ground - lightweight enough to move with you, breathable enough to keep pace with rising effort. Whether you're heading out for an early morning run or layering up before a cool-weather workout, it's the kind of piece you reach for without overthinking it.The Fly Long Sleeve is cut to support distraction-free movement, so you stay focused on the run rather than adjusting your kit. The breathable fabric helps regulate temperature as your effort builds, which makes it a reliable choice across a range of training conditions. It works well on its own during mild days and layers cleanly under outerwear when temperatures drop further. The performance knit blend keeps the overall feel soft and comfortable without adding unnecessary bulk - coverage that earns its place in your regular training rotation.Why Our Fit Experts Love It""I grabbed the Fly Long Sleeve for a chilly early run and was surprised by how light it felt once I got moving. It didn't bunch up or restrict my arms, and I stayed comfortable the whole way through without overheating. It's one of those pieces I keep coming back to when I'm not sure what the weather is going to do."" - Sabrina, Road Runner Sports Fit Expert, San Diego, CAWho It's Best ForThe Korsa Fly Long Sleeve is a strong choice for women who run or train outdoors in cool or variable conditions and want lightweight coverage without the weight of a jacket. If you tend to run warm but still need something more than a short sleeve on brisk mornings, this top fits that gap well. It also works for walkers and cross-trainers who want a breathable, movement-friendly layer for everyday activity. VIP Family members can take the Fly Long Sleeve for a 90-Day test drive with our Perfect Fit Guarantee."