Carbon Fiber Performance Insoles
Engineered to flex when you land and spring back when you push off.
One insert. Every sport.
Bounce off the block
Built for quick first steps, hard cuts and rim-to-rim runs.
From $69 · Ships in 7–14 business days · 30-day fit guarantee
How it works
Foam goes flat. Carbon snaps back.
01
Land
The carbon plate flexes under your weight as you hit the floor.
02
Load
It stores that energy instead of letting soft foam absorb it.
03
Launch
It springs back as you push off — designed to make every step feel snappier.
Pick your sport
One insert. Six games.
Basketball →
Volleyball →
Soccer →
Football →
Running →
Pickleball →
Bundle & Save
1 pair
$69.00 each
Regular price
2 pairs
$59.50 each
Save $9.50 / pair
3 pairs
$55.00 each
Save $14.00 / pair
Squad Pack — 5+ pairs
$49.00 each
Save $20.00 / pair
Bundle up with your team or friends — one order, everyone saves.
Featured
Flyserts Carbon Fiber Inserts
- Carbon fiber plate engineered to spring back
- Trim-to-fit for most athletic shoes
- 30-day fit guarantee
$69
Choose your sizeFlyserts vs. stock foam
| Feature | Flyserts | Stock foam |
|---|---|---|
| Material | Carbon fiber plate | Soft foam |
| What it does | Designed to flex and spring back | Compresses and stays flat over time |
| Fit | Trim-to-fit, swaps into most athletic shoes | Comes with the shoe |
| Guarantee | 30-day fit guarantee | — |
The snap test
Post yours with #flyserts
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Suit up the whole squad
Suit up the squad — teams, clubs and friend groups get $49 a pair on 5+.
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