Note: Some manufacturers list sizes as half-width measurements (measured flat). When this is the case, to calculate chest circumference, double the number.
To measure the length and sleeve length of a t-shirt that fits you perfectly, follow these steps:
A - Length: Place the end of a measuring tape next to the collar at the top of the shirt and extend it to the bottom hem.
B - Sleeve Length: Start at the seam on top of your shoulder, hold the measuring tape in place, and pull it down the sleeve until you reach the hem.
C- Chest Measurement: Position the tape in the center of the widest part of your chest, then wrap it under your arms and around the circumference of your body.