Lululemon's long-sleeve workout top is specifically designed for runners ... wriggling them off mid-workout and finish off in my sports bra because I felt overheated. Calia's long-sleeve workout ...

Moisture-wicking and buttery soft, this top from On has a second skin fit ... make sure you stand out during post-work runs with this reflective long sleeve from Proviz. Add some extra reflective ...

That’s why Todd Snyder’s Made in LA long sleeve tee made it to the top of our list—it’s simple and polished, with a look and feel that makes it easy to wear on its own, as a base layer ...

Because it’s so layerable, she’ll wear it for outdoor “winter sports of all sorts,” like ... Even after first telling me about the long-sleeve years ago, she calls it trusty to this ...