Sizing
Baby Onesie Sizing
| 3-6 mo. | 6-12 mo. | 12-18 mo. | 18-24 mo. | |
| Weight | 12-16 lbs | 16-22 lbs | 22-27 lbs | 27-30 lbs |
| Length | 20-25" | 25-28" | 28-30" | 30-32" |
Toddler Top Sizing
| 2T | 3T | 4T | 5T | |
| Weight | 30-33 lbs | 33-36 lbs | 36-40 lbs | 40-45 lbs |
| Length | 32-35" | 35-38" | 38-40" | 40-43" |
Youth Top Sizing By Brand
*Sizes are measured in inches.
Gildan
| XS | S | M | L | XL | |
| Body Width | 14 | 16 | 17 | 18 | 19 |
| Full Body Length | 18 | 20 1/2 | 22 | 23 1/2 | 25 |
| Sleeve Length | 11 1/2 | 13 1/2 | 14 1/2 | 15 1/2 | 16 1/2 |
Jerzee
| S | M | L | XL | |
| Body Width | 16 | 17 | 18 | 19 |
| Full Body Length | 20 | 22 | 24 | 26 |
| Sleeve Length |
Adult Top Sizing By Brand
*Sizes are measured in inches.
Gildan
| S | M | L | XL | 2XL | 3XL | |
| Body Width | 18 | 20 | 22 | 24 | 26 | 28 |
| Full Body Width | 28 | 29 | 30 | 31 | 32 | 33 |
| Sleeve Length | 16 1/4 | 17 3/4 | 19 | 20 1/4 | 21 1/2 | 22 3/4 |
Jerzee
| XS | S | M | L | XL | 2XL | 3XL | |
| Body Width | 16 1/2 | 18 | 20 | 22 | 24 | 26 | 28 |
| Full Body Length | 27 | 28 | 29 | 30 | 31 | 32 | 33 |
| Sleeve Length | 8 | 8 1/4 | 8 5/8 | 9 1/8 | 9 5/8 | 10 1/4 | N/A |