This cotton-blend sweater is made with COOLMAX® fibers to help keep you cool, dry, and comfortable. Ralph Lauren partners with Better Cotton™ to improve cotton farming globally. Better Cotton trains farmers to use water efficiently, care for the health of the soil and natural habitats, reduce use of the most harmful chemicals, and implement the principles of decent work.Regular Fit: wider at the chest while still maintaining a modern silhouette.Size medium has a 27" body length (front and back), a 16.75" shoulder, a 42" chest, and a 26" sleeve length. Sleeve length changes 0.5" between sizes.Rib-knit mockneck. Quarter-zip placket.