Nautica Sleepwear Men's Competition Angle Colorblock Short Sleeve Sleep Crew 100% Polyester 88% polyester, 12% spandex Fabric wicks moisture & dries quickly for comfort, clamp label ha\s ultrasonic soft edge, heat sealed print versus sewn-in label Microfiber waistband is brushed for extra comfort, "J-class" logo embroidery Imported Machine wash cold with like colors. Tumble dry low.