Official merchandise
"Tolerance Is A Suggestion" Shirt
Free shipping on orders of $100 or more (United States only).
Measure twice, force it to fit anyway. 🛠️
If you’ve ever looked at a caliper, smiled, and said "eh, close enough," this is your new uniform. Perfect for wearing in the garage, the lab, or while watching our next build go completely off the rails.
Fourthwall confirms delivery estimates and taxes at checkout. Questions about sizing, shipping, or an order? Read the support FAQ.
More details
- 100% combed cotton
- Marles color is 85% cotton and 15% viscose
- Heavyweight fabric: (5.3 oz)
- Yarn diameter: 28 singles
- Pre-shrunk
- Regular fit
- Crew neck
- Side-seamed construction
- Double-needle topstitch on the sleeves and hem
- Ribbed collar
- Shoulder-to-shoulder taping
- Tear-away label
Quality Guarantee & Returns
Fourthwall handles merchandise returns and refunds. Report a claimed print or manufacturing defect promptly and within 30 days of the product order, with your order number and clear photos. Non-defective products are generally not returnable, except where applicable law requires otherwise.





















































