Smartwool Merino Sport 250 Wind Sweater Mens Large 1/2 Zip Colorblock Pullover EUC Approx measurements Shoulder to Shoulder Pit to Pit Length Sleeve Warmer merino/polyester blend helps fabric move moisture, dry quickly, and hold its shape during high-sweat activities in colder weather Windproof front panel increases protection from the elements (1CFM Rating) Minimal Merrow seam construction provides durability while keeping material soft against skin Body-mapped panels of lighter fabric offer additional breathability and moisture management Integrated thumbhole openings provide additional coverage Reflective elements increase visibility in low-light conditions 10.5 in. center front zipper with semi-locking slider and anti-chafing chin guard