What Our Gearhead(R) Experts Are Saying:"The raglan sleeve on this one is the detail that makes it. It sits at exactly the right length to keep underarm chafing out of the picture without feeling like a cap sleeve, and the range of motion you get through the shoulder is noticeably better than a standard set-in sleeve. The large mesh panel on the back dumps heat fast, and the tapered waist keeps it from billowing when the pace picks up. This is the kind of running top that disappears after the first half mile and just lets you run."The best running top is the one that stops registering after the first mile. The Nike Swift Dri-Fit Seamless Short-Sleeve Top was built with that standard in mind, pulling from real runner feedback to refine every contact point. Modified raglan sleeves sit at the optimal length to eliminate underarm chafing and open up shoulder mobility, while a large mesh panel across the back works alongside Nike's Dri-FIT technology to move heat and moisture out before they build up. The body taper keeps the fit close enough to layer cleanly under a vest or jacket without bunching, and the curved hem stays in place through a full stride cycle. Reflective graphics on the sides, back, and left chest extend your visibility when the light is working against you. Lightweight, breathable, and dialed in where it counts.