• Built-in compression liner inside the CoreFlex girls' shorts in Black
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CoreFlex Girls - Graffiti

CoreFlex Girls - Graffiti

“excellent quality, built in liner so I don’t have to worry when she’s doing cartwheels all day long and cute enough that she’s decided to wear them on her first day of school.”
Soraya C.
CHOOSE YOUR DEAL Mix styles + sizes
SIZE FOR PAIR 1

Between sizes? Size up. Your first exchange is free.

Need help choosing a size?
THE EYRX STANDARD
Built to become the pair they reach for. Easy to get the fit right.
FREE
SHIPPING
FREE 1ST
SIZE EXCHANGE
EASY
30-DAY RETURNS
HOW THE STANDARD WORKS

Free Shipping. Every order ships free within the U.S.

Free First Size Exchange. Ordered the wrong size? Your first size exchange per order is on us. Items exchanged for size must be unworn and unwashed.

Easy Returns. Not right for your athlete? Return unworn, unwashed items within 30 days of delivery for a refund to your original payment method.

A feature stack that finally stacks up.

  • ✓ Built-in compression liner
  • ✓ Four-way stretch
  • ✓ Deep pockets
  • ✓ Secure zipper pocket
  • ✓ Breathable & odor-resistant
  • ✓ UPF 50+ outer shell

Reflective details · Built-in liner for added coverage and comfort

EYRX exclusive · Size-Up Reward

Outgrow the shorts. Get $20 toward the next bundle.

Get $20 off your next bundle after a qualifying CoreFlex 2-pack or 4-pack purchase.

Eligibility & terms

One reward per household per 12 months. Eligibility and expiration terms apply.

View Size-Up Reward terms

Free standard shipping on every order. Easy returns & exchanges

View full details

WHY THEY KEEP REACHING FOR EYRX

THE Athlete CAME FIRST.

Youth athlete wearing Eyrx CoreFlex performance shorts

01 · START WITH THE Athlete

WE BUILT THE SHORTS AROUND THE athlete.

Fit, proportions and comfort built around how youth athletes actually move.

Your performance fit
Close-up of soft Eyrx CoreFlex performance fabric

02 · FEELS LIKE THE FAVORITE

BUTTERY-SOFT FROM THE FIRST WEAR.

Performance fabric that feels good the moment they put it on.

SOFT PERFORMANCE FABRIC
Eyrx CoreFlex shorts with performance-specific details

03 · DETAILS THAT FIT THEIR LIFE

BUILT FOR THE WAY ATHLETES LIVE.

Useful details for practice, school, the driveway and everywhere in between.

ZIPPER POCKET · ANTI-ODOR · UPF 50+ · REFLECTIVE
Jesse coaching youth basketball, founder of Eyrx JESSE ON THE SIDELINES

WHY EYRX

BUILT FROM THE SIDELINES. NOT THE BOARDROOM.

“I kept watching youth athletes adapt to gear that should have been adapting to them.”

Most performance gear starts with the product. We wanted to start with the person wearing it.

After years coaching and raising youth athletes, that meant starting with the athlete in front of us. How they move. What they notice. What they actually choose to wear.

JESSE · FOUNDER OF EYRX

COACH-LED Shaped by years inside youth sports.
ATHLETE-FIRST The youth athlete is where the design starts.
FAMILY-FIRST Designed to work for the athlete and the family.

COMPLETE THEIR ROTATION

More styles. More options. Same CoreFlex performance.

REAL-WORLD PROOF

WHAT SPORTS FAMILIES ARE SAYING

  • 5 stars: 3 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
This product has no reviews of its own. The merchant grouped it with related products, so the reviews shown are from across that group.
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Ellen D.

My 10 year old daughter has been wearing them every chance she gets! The material is top notch! She’s able to move around comfortably when playing sports or just as every day wear. Design is made to be super kid friendly and bright! Extra bonus points for under shorts! As a mom of a daughter, to know she can be move around without having to worry is worth more than 5 stars! Excellent product!

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Diane H.

These shorts are a fantastic find! They are so comfortable and quickly became a go-to for everyday wear. The material feels soft, durable, and high quality, and you can tell they are very well made. The fit is comfortable without feeling restrictive, making them perfect for school, play, lounging, or running around.

The phone pocket is such a great and convenient feature—it’s the perfect size for keeping a phone or small essentials secure without needing to carry a bag. I’m really impressed with the overall quality and attention to detail. These are comfortable, practical, and stylish, and I would definitely recommend them!

S
Soraya C.

These shorts were a total hit for my 10 year old daughter. She is picky with all of her clothes but especially her athletic shorts. Her closet consists of the same pair of athletic shorts in 3 different colors that are cheap and don’t last long - because it’s the only pair I can get her to wear. I was so relieved to find these shorts - excellent quality, built in liner so I don’t have to worry when she’s doing cartwheels all day long and cute enough that she’s decided to wear them on her first day of school. Will be buying many more pairs!