SmartWool Men's Lightweight Crew 100% Merino Wool Knit in USA of Imported Yarn 6" high 1" wide Sculpted side panel eliminates side seam for reduced chafing and body enhancing fit. Form fit Jersey and rib knit; UPF 35 Contoured sleeve cuff and drop tail bottom hem for increased coverage Contrast color stitching on interior flatflock seams Style: SW0SL627