Smartwool Classic All-Season Merino Base Layer Long Sleeve Women's Shelter & Sleep When paired with the HRM-Pro™

When paired with the HRM-Pro™ chest strap (sold separately)

For those looking for the perfect combination of responsiveness

With a flat-lasted profile

The overall fit comfort is achieved through the “Easy-in” system that makes it quick and easy to put the shoes on

Smartwool Classic All-Season Merino Base Layer Long Sleeve Women's Shelter & Sleep When paired with the HRM-Pro™An all season favorite, the Women's Classic All Season Merino Base Layer Long Sleeve can be sported as a base layer in the fall or summer when it's time to go backpacking. This base layer features Core Spun technologywhich is Merino wrapped around a nylon core for added durability while still keeping the comfort of ultra soft, responsibly sourced Merino next to skin. Our Raglan sleeves eliminate shoulder seams for perfect comfort under a pack, and