1. Collar Size

• How: Wrap the tape around the base of the neck, where a shirt collar would sit.

• Tip: Add about ½ inch for comfort.

• Example: If your neck measures 15″, your collar size is likely 15½”.

2. Chest

• How: Measure around the fullest part of your chest, under the armpits, and across the shoulder blades. Keep the tape snug but not tight.

• Tip: Keep arms relaxed at sides.

3. Sleeve Length

• How: Start at the center back of the neck, measure across the shoulder, then down to the wrist bone (along a slightly bent arm).

• Tip: Typical sleeve sizes range from 32–37 inches.

4. Shoulder Width

• How: Measure from one shoulder seam to the other (across the back), or from the end of one shoulder to the other.

5. Waist 

• How: Measure around the natural waistline, typically around the belly button or just above.

6. Shirt Length 

• How: Measure from the highest point of the shoulder (near the collar) straight down to where you want the shirt to end.