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Official Partner Adam Harrington Ex-KD Trainer

THE SILENT BALL SYSTEM

Same protocol used by KD, Kyrie & 47 NBA Players.

★★★★★ 4.9 (1,247 Reviews) ✓ Verified
1. Select Size
Size 7
Official Men's
Size 6
Women's / Youth
2. Choose Your Package
Just The Ball
  • Stealth Ball
  • Black Shipping Box
$79
Most Popular
D1 BLUEPRINT
PRO SYSTEM · $645 Value
$168
Save $477
Stealth Ball + Founders Box
Limited Edition Blue Collector's Box
Sleep Mask
Recovery is part of training
Harrington Protocol App
90-Day Handle Transformation ($197 Value)
Inner Circle VIP
Monthly Live Calls with Adam ($97/mo Value)
NIL & Recruiting Guide
Parent's Playbook for D1 Offers ($49 Value)
D1 Guarantee
If you don't see measurable improvement in 90 days, we'll refund every penny. No questions.
30-day trial quiet guarantee secure checkout

ENGINEERED FOR MIDNIGHT.

🔇

Whisper Quiet

Open-cell acoustics absorb impact noise. 80% quieter than regulation leather.

🏀

True Grip

Authentic pebble texture. No slippery foam feel. Handles like game day.

🔨

Iron Durability

Laser-sealed surface. Won't crumble, flake, or lose shape.

WALL OF PROOF

★★★★★ 4.9 from 482 reviews

"MY KIDS TRAINED AT 11PM.
AND NOBODY WOKE UP."

Michelle T. • Manhattan, NYC
Direct Message
My son just did his drills at 11pm. No complaints from neighbors.
That's what we built it for 🙏
Yesterday
@hoops_dad
Silent dribble test
"The neighbors can't believe it"
@hoops_dad • 24K views
JM
Jordan M.
✓ Verified

Finally. A ball that actually feels like a basketball. My 12yo can practice handles at midnight without waking the baby.

Size 7 • 3 days ago
Direct Message
Bro this thing is actually regulation weight??? 🤯
22oz. Same as game ball.
My son's handles are already tighter
2 hours ago
👋

"We built this because we were the kids getting yelled at for dribbling in the kitchen. If you don't love the handle, DM me personally. I'll refund you."

— James, Co-Founder
📸 Customer photo
@mamba_mentality
11pm garage session
"Wife approved 👍"
@mamba_mentality • 8.2K views
TW
Tanya W.
✓ Verified

Got the pink one for my daughter. She loves it. Bounces great and she can practice after school without bothering the downstairs neighbors.

Size 6 Pink • 1 week ago
Direct Message
Does it actually bounce like a real ball?
98% energy return. Same as regulation.
Just ordered. LFG 🔥
Just now
DR
Derek R.
✓ Verified

Apartment living + basketball = impossible. Until now. This is legit.

Size 7 • 5 days ago

TOY VS. TOOL

Feature Neoball Cheap Foam
Bounce Height 98% Return Dead / Low
Weight Regulation (22oz) Light (8oz)
Sound Level 35 Decibels Varies
App Access INCLUDED None
100%
🤝

THE "FOUNDATIONS 10" PROMISE

We don't want your money if we don't change your game.
But we don't accept returns from people who didn't do the work.

Step 01

LOCK IN.

Complete the 10-Day "Foundations" Program inside the YP App using your new Stealth Ball.

Step 02

LEVEL UP.

If your handle isn't tighter, send us your completion log.

Step 03

OR CASH OUT.

We credit you 100% of the purchase price. You keep the ball. No shipping back.

James & Mike
Founders, YouthPerformance

PROTOCOL SPECS

Yes. We use GhostCore open-cell technology. It dissipates sound waves as heat rather than noise. It registers at ~35dB (whisper volume) compared to ~85dB for a standard leather ball.
No. Cheap foam is light (200g). The Neoball is Regulation Weight (600g for Size 7). It is engineered to mimic the exact energy return of an inflated ball. Your muscle memory will transfer 1:1 to the court.
Inside your Founders Box, you will find a Laser-Etched Black Card. Scan the QR code on the back to instantly unlock your Lifetime Membership. No monthly fees.
Size 7 is the official men's regulation size (29.5" circumference). Size 6 is the women's/youth regulation size (28.5" circumference). Both have the same premium construction and silent technology.
Yes, but we recommend indoor use for maximum durability. The surface is designed for hardwood, tile, and smooth garage floors. Outdoor concrete will wear it faster, but it can handle light outdoor sessions.
[PHOTO: James & Sons on Court]

James Scott • Founder & Dad

YOUTH SPORTS
IS BROKEN.

" I've spent nearly two decades training NBA stars and world-class athletes. But when it came to my own sons, I saw the truth.

Youth sports has become a trap: More games. More pressure. More injuries. It prioritizes short-term wins over long-term development.

So, I adapted the exact methods I use with the pros. Not watered down—just smarter. Safer. Designed for how young athletes actually grow.

This isn't just a ball. It's the foundation your child needs, but the system wasn't providing.

"WE BELIEVE EVERY YOUTH ATHLETE DESERVES WORLD-CLASS TRAINING, AND EVERY FAMILY SHOULD BE ABLE TO AFFORD IT."

Coach James
Co-Founder, YP