Our sizing chart is equivalent to some worldwide T-shirt brands such as Next Level, ASOS, H&M, Forever21

• Chest: Across the chest.
 Length: Measured from the neck seam to the bottom of the T-shirt.

According to our size chart, the dimension in the chart is just the width, not all around, so, for example, our S size is 18 inches chest width- so it is 36 inches all around