Hobby Product Guides
Prototype Number T-Shirt: Garage Tee Size Chart & Fit

The Prototype Number We Stopped Counting T-Shirt is a Bella + Canvas 3001 unisex tee for builders, mechanics and project-car owners who keep revising until the project works. It has a modern retail fit and a fixed front graphic. Solid colors are 100% Airlume combed and ring-spun cotton; heather colors contain polyester, with the exact blend varying by color.
Prototype Number shirt size chart
Compare the garment measurements below with a shirt you already like. Chest width is measured across the garment; body length runs from the high shoulder point to the hem.
| Size | Chest width | Body length |
|---|---|---|
| XS | 16.5 in (41.9 cm) | 27 in (68.6 cm) |
| S | 18 in (45.7 cm) | 28 in (71.1 cm) |
| M | 20 in (50.8 cm) | 29 in (73.7 cm) |
| L | 22 in (55.9 cm) | 30 in (76.2 cm) |
| XL | 24 in (61 cm) | 31 in (78.7 cm) |
| 2XL | 26 in (66 cm) | 32 in (81.3 cm) |
| 3XL | 28 in (71.1 cm) | 33 in (83.8 cm) |
| 4XL | 30 in (76.2 cm) | 34 in (86.4 cm) |
| 5XL | 32 in (81.3 cm) | 35 in (88.9 cm) |
Measurements describe the shirt, not the wearer. Allow for normal garment variation. Available sizes may differ by color, so confirm the exact color-size combination in the product selector.
Fabric, construction and printing
The Bella + Canvas 3001 short-sleeve jersey weighs 4.2 oz/yd² (142 g/m²), is pre-shrunk and features side seams and shoulder-to-shoulder taping. The design is printed on the front using direct-to-garment production. Printful makes it to order; the color and placement may vary slightly from the mockup. The listed starting price is $23.25 USD; larger sizes cost more.
Care and gift fit
Machine wash cold, inside out, with like colors. Tumble dry low or hang dry. Do not iron directly on the print and do not dry clean. This garage-project shirt suits fabricators, restorers, mechanics, engineers and gearheads. Check a similar shirt against the chart and verify the chosen color and variant price.
Frequently asked questions
Is it a unisex shirt?
Yes. It is a Bella + Canvas 3001 unisex jersey short-sleeve tee.
Are heather colors all cotton?
No. Solid colors are 100% cotton; heather colors contain polyester. Check the selected color details.
How should it be washed?
Wash cold and inside out; dry low or hang dry. Keep an iron off the print.
See the Prototype Number We Stopped Counting T-Shirt product page for current colors, sizes, photos and prices.

