KID ENERGY
Battle of the Ninjas - Youth classic tee
Battle of the Ninjas - Youth classic tee
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Unleash the action with Battle of the Ninjas Youth Tee!
Perfect for kids who love adventure, excitement, and ninja-themed fun, the Battle of the Ninjas youth tee shirt brings an epic showdown right to their wardrobe. Featuring a dynamic graphic of two ninjas in mid-battle, this tee captures the thrill and energy that young imaginations crave.
Made from soft, breathable cotton, this youth t-shirt delivers all-day comfort and durability, whether your child is at school, practicing martial arts, or playing with friends. The classic unisex fit makes it a versatile and easy-to-wear choice for all kids.
At Kid Energy, we’re passionate about creating clothes for children that combine imaginative designs with quality materials and ethical production. Battle of the Ninjas is part of our exclusive youth tee collection—designed to inspire confidence and creativity while supporting sustainable fashion. Every tee is made to order, helping reduce waste and contributing to the values of many trusted Australian kids clothing brands.
Whether your child is a ninja enthusiast, loves action-packed stories, or just wants a cool tee with attitude, Battle of the Ninjas is a standout addition to their wardrobe. It also makes a fantastic gift for young martial arts fans or adventure seekers.
Why kids and parents love this tee:
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Exciting ninja battle graphic
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Soft, durable cotton for everyday comfort
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Classic, unisex fit for versatile wear
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Designed and printed in Australia
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Made to order to support sustainable fashion
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Part of our creative youth t-shirts collection
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Perfect for adventurous and imaginative kids
Bring excitement and bold style to your child’s wardrobe. Shop Battle of the Ninjas youth tee today and let their imagination run wild.
• 100% cotton
• Sport Grey is 90% cotton, 10% polyester
• Fabric weight: 5.3 oz./yd² (180 g/m²)
• Pre-shrunk fabric
• Classic fit
• Taped neck and shoulders
• Tear-away tag
• Made with OEKO-TEX certified low-impact dyes
• Blank product sourced from the Dominican Republic, Honduras, Haiti, Nicaragua, or El Salvador
Disclaimer: Due to the fabric properties, the White color variant may appear off-white rather than bright white.
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
Age restrictions: For children
EU Warranty: 2 years
Other compliance information: Meets the formaldehyde, phthalates, lead and flammability level requirements.
In compliance with the General Product Safety Regulation (GPSR), Oak inc. and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at 123 Main Street, Anytown, Country or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
Size guide
LENGTH (inches) | CHEST (inches) | |
XS | 20 ½ | 16 |
S | 22 | 17 |
M | 23 ½ | 18 |
L | 25 | 19 |
XL | 26 ½ | 20 |
LENGTH (cm) | CHEST (cm) | |
XS | 52 | 40.6 |
S | 55.9 | 43.2 |
M | 59.7 | 45.7 |
L | 63.5 | 48.3 |
XL | 67.3 | 50.8 |








Size Guide
Here is a helpful comparison chart:
TEES
|
XS |
S |
M |
L |
XL |
AU |
6-8 |
8-10 |
10-12 |
12-14 |
14-16 |
US (age based) |
6-8 |
8-10 |
10-12 |
12-14 |
14-16 |
UK (age based) |
5-7 |
7-9 |
9-11 |
11-12 |
12-14 |
Europe |
110-122cm |
122 - 134cm |
134 - 146cm |
146-152cm |
152cm+ |
HOODIES
|
XS |
S |
M |
L |
XL |
AU |
6 |
8 |
10 |
12 |
14 |
US (age based) |
6 |
8 |
10 |
12 |
14 |
UK (age based) |
5 |
7 |
9 |
11 |
12-14 |
Europe |
110cm |
122cm |
134cm |
146cm |
152cm+ |
Please note that our crewneck tees do run on the large side, so if you're in doubt or in-between, go the size down. The Hoodes are true to size/run smaller, so if you'd like a baggy look, go the size UP.
There is also a handy measurement chart to accompany all of our products (you will find this under the product's picture). For best accuracy, lay one of your kid's tees or hoodies flat and measure the garment against the provided measurements.
Ordered the wrong size? No sweat! Just lodge a return through our returns portal and we'll issue you with a store credit once we receive your returned item.