The best quality
"My boys are obsessed with this shirt (all our little trouble shirts). Amazing quality and describes their personalities."
| Size | 0-6M | 6-12M | 12-18M | 18-24M | 2T | 3T | 4T | 5T | 6T | 7/8 | YS | YM | YL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | 0-6M | 6-12M | 12-18M | 18-24M | 2-3 Years | 3-4 Years | 4-5 Years | 5-6 Years | 6-7 Years | 7-8 Years | 8-10 Years | 10-12 Years | 12-14 Years |
| Height (in) | up to 27 | up to 30 | 30-32 | 32-34 | 33-35 | 36-39 | 39-42 | 42-45 | 45-48 | 48-51 | 51-54 | 54-57 | 57-60 |
| Weight (lb) | up to 16 | up to 20 | 20-24 | 24-28 | 28-32 | 32-37 | 37-43 | 43-49 | 49-56 | 56-66 | 66-76 | 76-86 | 86-100 |
| Size | Baby | Toddler | Youth | Adult |
|---|---|---|---|---|
| Head Circ. | 46-50cm | 50-54cm | 54-58cm | 56-60cm |
| Age Reference | 0-2 Years | 2-5 Years | 5 and up | Adult |



The Fast is Fun t-shirt is made for the little rippers and risk-takers chasing adventure. Inspired by the SoCal, where the sand meets the dirt and all the little trouble makers out there. Made with our signature, perfectly balanced blend of organic cotton and rayon made from bamboo, this lightweight and buttery soft t-shirt is made to be worn and loved many washes later.
T-shirts fit oversized in the width and sleeves for that lived in slouch look we love so much. Our t-shirts are certified to OEKO-TEX® STANDARD 100 and tested for harmful substances and we use a closed look system throughout production!
T-shirts fit oversized in the width and sleeves for that lived in slouch look we love so much. Our t-shirts are certified to OEKO-TEX® STANDARD 100 and tested for harmful substances and we use a closed look system throughout production!
Machine wash with other like colors. Hang dry or machine dry on low. Expect 1-2cm of shrinkage on first wash/dry but no shrinkage after that. Sizing is based on age range in the 50th percentile. If between sizes, size up! DO NOT TUMBLE DRY ON HOT/WARM.
Made from 100% Organic Cotton and Bamboo Viscous via closed-loop production!
68% Bamboo Viscous
27% Organic Cotton
5% Spandex


DESIGNED TO BE TOUGH
BY A MOM WITH FAST KIDS

EASY EXCHANGES AND
FAST SHIPPING

FREE SHIPPING ON
U.S. ORDERS OVER $100
Overall rating: 5.0 / 5 from 152 reviews.
The Fast is Fun T-Shirt is highly praised for its excellent quality, soft and durable fabric, and adorable designs. Customers appreciate its perfect fit and the use of sustainable materials, making it a top choice for those seeking both style and comfort.
Review topics: ["quality","material","design","shirt","fabric","size","looks","fit","graphics","shipping","compliments","print","weight","clothes","brand","color","boy","kid","dirt bike"].
"My boys are obsessed with this shirt (all our little trouble shirts). Amazing quality and describes their personalities."
— Axel B. (5/5)
"So soft and fits great! Graphic is so vibrant!"
— Taylor (5/5)
"My son has just about everything from Little Troubles Website! He even has doubles of a lot of the shirts. One to wear to play and ride in and one for nice when he goes to preschool. He's always getting compliments from everyone. Older boys at the skate park always ask where he gets his clothes and his hats. This brand fully embodies his personality and his love for riding! Forever, Little Trouble Lover. 🖤"
— Jordan A. (5/5)
"Idk how they come up with these designs but they’re all so dang cute! Soft tee per usual and it holds up great!"
— Steph (5/5)
"Good quality shirts, love the look of it also"
— Amber V. (5/5)
"The shirt is made of good quality material and is perfect for kids who love dirt bikes."
— Sherry D. (5/5)
"Soft fabric, super dope design & overall great quality. Currently the only shirts I’ll buy our guy!"
— Sydney C. (5/5)
"Adorable!"
— Heather B. (5/5)
"such a cute shirt! We ordered them a size up so they would fit longer but they do run oversize already! It’s big on my son now but I don’t mind the big and baggy look!"
— Kayla A. (5/5)
"Fabric is amazing Wears well Grandson loves this range and we order from Australia"
— Debra O. (5/5)