Smartwool Women's Lightweight Zip Long Sleeve Base Layer Top Size Medium Style # SL306 Lightweight, and zippered base layers are breathable in any weather. Form Fit, jersey and rib knit is UPF 35 rated Contoured sleeve cuff and drop tail bottom hem for increased coverage Flatlock seam construction eliminates chafing Zip T collar with a 10" zipper 100% Merino Wool In gently pre-owned condition. No holes or stains and very little wear to pullover. Approximate measurements when laid flat: Underarm to Underarm - 16” Overall Length from Shoulder to Hem - 25” CB15