I'm not sure what this
"I'm not sure what this material is- but I need adult shirts with this in my life ASAP!"
| 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 |



I mean...this might be the best long sleeve shirt we'll ever make. A NEED. Made with our signature, perfectly balanced blend of organic cotton and rayon made from bamboo, this lightweight oversized long sleeve is meant to be worn and loved many washes later.
Long sleeves fit oversized in the width and sleeves for that lived-in slouch look we love so much.
Sustainably made from the signature Little Trouble blend (perfect parts organic cotton, bamboo + Spandex), this lightweight oversized long sleeve is meant to be worn and loved many washes later.
Long sleeves fit oversized in the width and sleeves for that lived-in slouch look we love so much.
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.


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 57 reviews.
The Speed Junkie Long Sleeve shirt is highly praised for its quality and lightweight feel. Customers appreciate its sustainable materials and vibrant colors, making it a top choice for those seeking a comfortable and stylish long sleeve shirt.
Review topics: ["quality","material","sleeves","shirt","weight","looks","feel","fit","size","boy","flames"].
"I'm not sure what this material is- but I need adult shirts with this in my life ASAP!"
— Caron K. (5/5)
"Love this long sleeve"
— Claire S. (5/5)
"This top is amazing as usual…any item I have gotten from the good people at Little Trouble is always a perfect fit with minimal shrinkage when washed…. material is fabulous which is important to us regarding how it feels on our little one!!! The material is very soft with that mushy homey comfy feeling to it!!! Our little one will be growing with you guys and we look forward to fabulous products to come!!!"
— Sandy M. (5/5)
"This is an OG fave! The flame sleeve detail is too cool and matches with all of the flame shorts!"
— Brittany M. (5/5)
"Exactly as pictured and amazing material, super cozy for my little guy!"
— Haley A. (5/5)
"My son was obsessed with this shirt last winter. He got a lot of use out of it and so many compliments! Already have one size bigger ready to go for next winter!"
— Jordan A. (5/5)
"Super soft quality, great fit! We decided to size up one and it’s perfect, slight oversize look but not too drastic. I love these clothes!"
— Sydney C. (5/5)
"Absolutely love this company 10 out 10 recommend. My boys love there style❤️"
— Amy (5/5)
"Nice light weight smooth material fits well and great color in the graphics."
— S M. (5/5)
"As usual, great product! Quality is outstanding and shipping was fast."
— Ginetta F. (5/5)