Smartwool Women's Classic All-Season Merino 1/4 Zip Long Sleeve Base Layer Shirt - This All-Season-weight Merino meets your favorite 1/4 zip style with the Women's Classic All-Season Merino Base Layer 1/4 Zip. With 100% Merino wool next to skin and stretch merrow stitching designed to elevate comfort, range of motion, and fit, you'll feel ready to take on anything at any time. Slim fit is intended to follow the contours of the body; Lightweight Merino jersey fabric uses a recycled nylon core while still keeping 100% Merino wool next to skin; Merrow stretch stitching designed to help elevate comfort, range of motion, and fit; Princess seams on front and back panels designed for figure-flattering fit; Size medium center-front zipper: 8.25in; Style: SW002826;