Make your life colorful from now on. CUTTER & BUCK MCS01433 - Men's Douglas Half Zip is a good choice. It is made of 50% Acrylic, 50% Merino Wool/Laine. You will feel quite comfortable. It features 1x1 rib collar, cuff and bottom opening, jersey with ottoman stitch detail at upper body, linked seams, fully fashioned contruction, 12 GG. Machine Wash Cold Delicate/Do Not Bleach/Reshape, Lay Flat to Dry/Low Iron as Needed. Buy it and you will get a nice day.