Caution Human Engine sign cycling graphic t-shirt design
Caution Human Engine tee front view
Caution Human Engine tee back view
Caution Human Engine tee on model
Caution Human Engine tee alternate shot
Caution Human Engine tee close up detail
Caution Human Engine sign T-Shirt | Cycling graphic tee - Image 7
Caution Human Engine sign T-Shirt | Cycling graphic tee - Image 8
Caution Human Engine sign T-Shirt | Cycling graphic tee - Image 9
Caution Human Engine sign T-Shirt | Cycling graphic tee - Image 10
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Caution Human Engine sign T-Shirt | Cycling graphic tee

Price range: $30.99 through $43.99

A crew tee flying the “Human Engine” caution for cyclists and commuters who power themselves.

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🚚 Free shipping on orders over $50
📦 Made to order — ships in 5-12 business days (US)
🔄 Free replacements for defects or damage
👕 Premium soft cotton — the softest blanks in the business
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🇺🇸 Printed
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Description

A weathered road sign for the self-propelled: the engine here is all you.

Why these folks grab this one:

  • A worn road-sign graphic that fellow riders instantly clock.
  • A solid gift for the pedicab driver or bike commuter.
  • Human-powered humor over the usual bike-life print.

The blank we print on:

Printed on the Unisex Cotton Crew Tee (Next Level 3600) in premium fitted cotton—a classic unisex crew fit, true to size. Available in Solid Black, Solid Dark Chocolate, Solid Heavy Metal, Solid Midnight Navy, Solid Military Green, sizes XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL.

Printed just for you: every piece is made to order, so nothing sits in a warehouse. Free U.S. shipping on orders over $50.

Warm up the human engine and roll.

AI disclosure: product imagery features AI-generated models, not real people.

Additional information

Color

Solid Black, Solid Dark Chocolate, Solid Heavy Metal, Solid Midnight Navy, Solid Military Green
Size

XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL

Shipping

  • US orders: $4.99 flat rate, or FREE on orders over $50
  • Production: 2-7 business days (every item is made to order)
  • US delivery: 2-5 business days after production
  • Total US estimate: 5-12 business days from order to doorstep
  • International: 10-30 business days after production (varies by destination and customs)
  • Tracking number sent via email when your order ships

Returns & Exchanges

  • Defective or damaged: Free replacement — email us a photo within 30 days of delivery
  • Wrong size: Since every item is printed on demand, we cannot accept returns for sizing. Please check the size chart before ordering.
  • Wrong item received: We will send the correct item at no cost to you
  • Contact us: [email protected]

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Frequently Asked Questions

What blank and material is this printed on?

It's printed on the Unisex Cotton Crew Tee (Next Level 3600) in premium fitted cotton.

How does it fit?

This is a classic unisex crew fit, true to size. If you're between sizes or want extra room, size up.

What colors and sizes are available?

Colors: Solid Black, Solid Dark Chocolate, Solid Heavy Metal, Solid Midnight Navy, Solid Military Green. Sizes: XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL.

How fast does it ship, and is shipping free?

Every order is made to order and typically ships in 3–5 business days. Enjoy free U.S. shipping on orders over $50.

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