Especially made for those who love sports and gym – Available in a wide range of colors, designed to match with any pair of shorts or sweats for a classic, sporty look. – Exceptionally soft and comfortable, not only do they look aesthetically appealing, but they feel and fit phenomenally well, also! – Classic crew neck, which is wider than the usual long sleeves T-shirt, and good enough to wear outside of the gym going casual. – The stretch insures that the sleeves stay where they should and the shoulder won’t ride up toward your neck. Tips: – Label mark: the Original label mark is Chinese size, which is marked 2 size larger than US size. For example: if you wearing US size XS, please bid XS on Amazon, and you will receive the shirt with tag mark M. – The T-shirts are elastic and stretchy, belongs to the close-fitting type, so they may be a little tighter than the ordinary one, please consider one size larger if you prefer loose clothing. Size Chart Suggestion: For normal body shape only, if your weight is more than (less than) the measurement given below, please consider ordering one size larger (one size smaller). US XXS = Label S = 5’2″-5’4″/160-165cm, 110lbs-135lbs/50-60kg US XS = Label M = 5’4″-5’6″/165-170cm, 135lbs-145lbs/60-65kg US S = Label L = 5’6″-5’7″/170-175cm, 145lbs-155lbs/65-70kg US M = Label XL = 5’7″-5’9″/175-180cm, 155lbs-165lbs/70-75kg US L = Label XXL = 5’9″-6’1″/180-185cm, 165lbs-175lbs/75-80kg US XL = Label XXXL = 6’1″-6’3″/185-190cm, 175lbs-185lbs/80-85kg Please take a few minutes to check sizing information. If you’re not sure about your size, fell free to tell us your weight, bust and height in lbs(kgs) and inches(cm). We would be glad to help you make the choice. Thanks!FABRIC: 95% Cotton and 5% Spandex, soft, lightweight, thin and dry fast, extremely comfortable to wear.