Sizing Info: Fitting The Original Bug Shirt®
Follow these instructions to determine which size Original Bug Shirt® is the best fit for you:
Chest/Waist/Hips
Use the largest of these measurements to select a size. For example, if your chest measurement is larger than your hips, use your chest measurement to determine sizing.
Sleeves
With the arm straight, measure from the center of the back of the neck, over the shoulder and to the wrist.
| Size | Chest/Hips | Sleeve | Height |
| Adult XS | 28-32" | 24-27" | to 5'2" |
| Adult S | 32-36" | 27-30" | to 5'5" |
| Adult M | 36-40" | 29-32" | 5'3" to 5'9" |
| Adult L | 40-44" | 31-34" | 5'7" to 6'1" |
| Adult XL | 44-48" | 33-36" | to 6'4" |
| Adult XXL | 48-54" | 35-38" | to 6'5" |
| Adult XXXL | 54-66" | 35-38" | to 6'5" |
| Child Small | 22-26" | 17-20" | to 3'8" 18 months to 4-5 years |
| Child Large | 24-30" | 20-26" | to 4'10 4-5 years to 8-9 years |
See all Original Bug Shirt Products