When the days are getting colder, you may need a CUTTER & BUCK MCK00369 - Men's CB DryTec L/S Imperial Mock. It is made of 62% Pima Cotton/Coton, 38% Polyester. The durability is so good. It features interlock jacquard, 1x1 rib mock collar, tonal pipe at forward shoulder and side seams, back half moon, open bottom, cuffed sleeve, 1x1 rib cuff, C&B Pennant on sleeve, moisture wicking. It will give you a totally different experience. Machine Wash Cold, Normal/Do Not Bleach/Tumble Dry Low, Normal/Low Iron as Needed.