Smartwool Merino 150 Baselayer 1/4 Zip Shirt - Women's Size:S Its soft DriLayer® polyester fabric

Its soft DriLayer® polyester fabric feels soft against your skin while retaining warmth

This quick access to fluids means that you can keep your eyes (and focus) on the road ahead

The rigid ExoSpine™ creates superior hand feel and support

Take your next personal best down with a vendetta against yourself

Smartwool Merino 150 Baselayer 1/4 Zip Shirt - Women's Size:S Its soft DriLayer® polyester fabricWe took our popular Merino 150 Base Layer and added a 1 4 zip to it. This Smartwool base layer is amazingly versatile and perfect for unpredictable weatherworking as a single layer when it's warm out and the perfect start for more layers when the sun begins to hide behind the clouds. With Raglan sleeves and a flatlock seam construction designed to minimize chafing, you'll be able to rely on constant comfort all day long.