Layer one matters most. But will any flatter and fit like our new thermal top? Lightweight grid fleece performs as a breathable base or solo layer. And flatlock seams reduce chafing for lasting comfort. Stash an essential in the bonus zip pocket, and get to adventuring.

We love it for: cold weather running

67% recycled polyester, 27% polyester & 6% spandex
Lightweight grid fleece
Warm, stretchy & quick-drying
Tailored fit
Flatlock seams
Loop on back neck to hang
Elbow patches
Back right zip pocket fits keys or nutrition
Machine wash cold, tumble dry low, don't bleach, mmkay?
Designed in California, made abroad