Most all T-Shirts are Unisex sizes. T-Shirts that are specifically for Men only or Women only will be noted in the Product title.Unisex T-Shirts will have 'Unisex' in the Product title. For Unisex T-Shirts - Men: You will order your normal T-shirt sizes. For Unisex T-Shirts - Women: If you prefer a more fitted T-Shirt look when wearing, you may need to size down from your regular shirt size. However, it is best to review the Size Guide for that specific product to make the best decision based on your measurements.