Billy's Garage
C7 "Performance Driven Function" (V2) Premium Unisex Crewneck T-shirt
C7 "Performance Driven Function" (V2) Premium Unisex Crewneck T-shirt
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This one’s for the folks who feel most at home with a little rubber on their hands and a little rumble in their chest. The “Performance Driven Function” tee captures that unmistakable energy—late nights in the garage, early mornings rolling into Cars & Coffee, and those moments when you crack the throttle and the world just gets quiet for a second.
The bold yellow C7 blasting out of the smoke isn’t just artwork…it’s a whole mood. It’s the dream you’re already living: wrenching, cruising, tuning, talking shop, chasing perfection one bolt, one mile, one burnout at a time. Throw it on, and it instantly feels like part of your weekend ritual—like something you’d wear climbing out from under the lift or pulling into your favorite spot with the sun just starting to hit that paint.
Soft, comfortable, and built for real life, this is the shirt for people who don’t just admire performance—they live it.
Fabrication: Solid colors are made from 100% Airlume combed and ring-spun cotton; Ash color is 99% Airlume combed and ring-spun cotton, 1% polyester; Heather colors are 52% Airlume combed and ring-spun cotton, 48% polyester; Athletic Heather and Black Heather are 90% Airlume combed and ring-spun cotton, 10% polyester.
Size guide
| XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL | |
| A) Length (cm) | 71.1 | 73.7 | 76.2 | 78.7 | 81.3 | 83.8 | 85 | 88.8 | |
| B) Width (cm) | -0.2 | 91.4 | 101.6 | 111.8 | 122 | 132 | 142.2 | 152 | 162.6 |
| B) Half Chest (cm) | 45.7 | 50.8 | 55.9 | 61 | 66 | 71.1 | 76 | 81.3 |
| XS | S | M | L | XL | 2XL | 3XL | 4XL | 5XL | |
| A) Length (inches) | 28 | 29 | 30 | 31 | 32 | 33 | 33.5 | 35 | |
| B) Width (inches) | -0.1 | 36 | 40 | 44 | 48 | 52 | 56 | 59.8 | 64 |
| B) Half Chest (inches) | 18 | 20 | 22 | 24 | 26 | 28 | 29.9 | 32 |
Care Instructions
| General | A top-choice garment known for its softness, durability, and compatibility with DTG printing, making it a favorite in both retail and promotional markets |
| Wash | Maintain the tee's quality by washing it in cold water, which helps preserve the fabric and the vibrancy of the print |
| Dry | Tumble dry on a low setting or hang dry to retain the shape and size of the tee post-wash |
| Store | Store in a cool, dry place away from direct sunlight to maintain the integrity of the fabric and colors. |
