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Promo available

Duck’s Ninjitsu Tee – Only Real Ninjas Know

Name: Duck’s Ninjitsu Tee – Only Real Ninjas Know
Brand: Goldenbell Training
Price: 16.71 GBP
Availability: InStock

£16.71

Free shipping for orders over £56.97 for everyone. Promotion auto-applied on checkout.

Not everyone is ready for the truth. The Duck’s Ninjitsu Tee is for those in the know — the real ninjas.

Some things can’t be explained — they can only be experienced. Duck’s Ninjitsu is one of those things. Passed down through generations of elite waterfowl warriors, this ancient art is whispered about in shadows… but only real ninjas know.

Now you can represent the world’s most exclusive (and most feathered) ninja tradition with the Duck’s Ninjitsu Tee. Featuring Master Duck himself against a bold red crest, this shirt blends martial arts parody with dojo pride.

Printed on the Gildan Unisex Softstyle T-Shirt, it’s soft, comfortable, and durable enough for covert training or casual ninja missions.

Design: Master Duck graphic with “Only Real Ninjas Know” text
Fit: Classic unisex, soft & comfy
Fabric: Gildan 6400 Softstyle cotton blend
Best for: Martial artists with humor, ninja movie fans, or anyone who wants in on the joke

🥷🦆 If you know… you know.

Select Color: Black

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Solid colors are 100% ring-spun cotton
Sport Grey is 90% ring-spun cotton, 10% polyester
Dark Heather is 65% polyester, 35% cotton
Lightweight fabric: 4.5 oz/yd² (153 g/m²)

View size chart

Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
Because the products are made to order, we do not accept general returns or sizing-related returns.

Duck’s Ninjitsu Tee – Only Real Ninjas Know

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Duck’s Ninjitsu Tee – Only Real Ninjas Know Size Guide

Size label	Length	Width	Sleeve length
S	28	18	16.75
M	29	20	17.88
L	30	22	19.13
XL	31	24	20.38
2XL	32	26	21.63
3XL	33	28	22.75

Measurements are provided by suppliers. Product measurements may vary by up to 2" (5 cm).

Pro tip! Measure one of your products at home and compare with the measurements you see in this guide.

A Length

Place the end of the tape beside the collar at the top of the tee (Highest Point Shoulder). Pull the tape measure to the bottom of the shirt.

B Width

Place the end of the tape at the seam under the sleeve and pull the tape measure across the shirt to the seam under the opposite sleeve.

C Sleeve length

Place the end of the tape at the center back of the collar, then pull the tape measure along the top seam of the sleeve. When you get to the shoulder hold the tape in place at the shoulder and continue to pull down the sleeve until you reach the hem of the sleeve.