The Size is Tag Size = US Size.Please check the SIZE CHART details before bidding.Thank you for the kind understand. 60% Cotton, 35% Polyester, 5% Spandex. Soft and comfortable to your skin, moisture wicking, with elastic, extremely comfy to wear the whole day, suit for daily wear or work. This long sleeve henley t-shirts has a round neckline , four buttons design, contrast color collar design, solid color basic henley shirts, lightweight, slim fit, pullover sweatshirt, brings you simple & effortless style along with comfort with suit for any casual occasions. Classic casual henley shirt for men / boys / high school or college students / all the youth or adults. Ideal gift for families, friends, boyfriend or husband. The men contrast color collar henley shirt suitable for casual, office, work, date, party, travel, street, workout, yoga, fitness, bodybuilding, running, jogging, hip hop or any other casual occasions. Looking handsome while retaining ease of movement and added comfort. Please make sure your checked our size instruction first!!!