Regular Fit: "Regular fit" indicates that the t-shirt is designed to have a standard, relaxed fit that isn't too tight or too loose. It's a comfortable and versatile fit that suits most body types. Round Neck T-Shirt: This refers to the style of the t-shirt's neckline. A round neck has a circular shape and is one of the most common neckline styles for t-shirts. For Men: Indicates that the t-shirt is designed specifically for men. Blue: Specifies the color of the t-shirt. "Blue" is a broad category, and the shade can vary from light to dark, navy to sky blue, or any hue in between.