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Sale Price CA$32.64.
Original Price CA$38.40 per shirt
You save 15%
Funny Engineer Gym Shirt Force Mass Gains
Qty:
Style
Basic T-Shirt
-CA$2.25
+CA$15.95
Colour & Print Process
White
Classic Printing: No Underbase
+CA$1.90
+CA$1.90
+CA$1.90
+CA$1.90
+CA$1.90
+CA$1.90
Vivid Printing: White Underbase
+CA$9.50
+CA$9.50
+CA$9.50
+CA$9.50
+CA$9.50
About T-Shirts
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About This Design
Funny Engineer Gym Shirt Force Mass Gains
Stand out with this funny engineer gym shirt featuring the clever phrase “Force = Mass × Gains”. A perfect blend of engineering humor and fitness lifestyle, this design speaks to mechanical engineers, gym lovers, and science-minded athletes.
The bold industrial typography combined with a strong barbell visual creates a powerful and eye-catching look. Ideal as a unique gift for engineers, fitness enthusiasts, or anyone who loves smart humor and lifting.
Great for workouts, casual wear, or as a conversation starter. This design is optimized for visibility with clean contrast, readable text, and a modern distressed style that performs well on dark apparel.
Funny engineer gym shirt with Force = Mass × Gains design. Perfect for fitness lovers, engineers, and gym nerds. Bold, smart, and unique t-shirt idea.
engineer gym shirt, funny engineer t-shirt, fitness nerd shirt, mechanical engineer gift, gym humor design
Customer Reviews
4.7 out of 5 stars rating32.7K Total Reviews
32,736 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Anamaria G.March 15, 2023 • Verified Purchase
Basic T-Shirt, White, Large
Zazzle Reviewer Program
The t-shirt is SO cute and perfect! The shirt is nice and soft and the printing does not have any distortion. The shirt arrived within 2 weeks. 5 ⭐️. The colors are fine and similar to the virtual image.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy AnonymousOctober 26, 2025 • Verified Purchase
Basic T-Shirt, White, Large
I was extremely pleased. The graphic looks excellent, good quality material, and delivery speedy! I already made a second purchase. So nice not to have to chase after your order! Satisfied customer. .
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Mercede M.December 5, 2024 • Verified Purchase
Basic Dark T-Shirt, Black, Small
I just received my custom print T-shirts from zazzle.ca. I'm very happy with the smooth and professional ordering process, fast shipping(took only 3 days in busy month of December) and quality of the T-shirts and prints. This was my first order from zazzle but definitely not the last one. A great experience. Thank you.
Tags
Other Info
Product ID: 256554424720662881
Designed on 2026-05-05, 11:14 PM
Rating: G