jeansian Mens Dress Casual Slim Fit Long Sleeve Polo T-Shirts 100% Cotton Imported and Designed by Jeansian Garment Factory. Machine wash or Hand wash in cold water, No Bleach, Low iron and tumble dry on low heat. US XS(160--165cm 55-60kg) (5'3"-5'5" 121-133lbs) US S(165-170cm 60kg-65kg) (5'5"-5'7" 133-144lbs) US M(170-175cm 65kg-70kg) (5'7"-5'9" 144-155lbs) US L(175-180cm 70kg-75kg) (5'9"-5'11"155-166lbs) Size please take "Product Description" below for reference. Please allow 1-2cm difference due to manual measurement.