SKU: 98845933139

J99 Flex Ultra Strength Plyometric Training Shoes, Gray/Black

Sale price$161.99 Regular price$179.99
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

J99 Flex Ultra Strength Plyometric Training Shoes, Gray/BlackHoopsKing TrainingTrain Explosive The Plyometric Shoe Built for Liftoff J99 Flex Ultra Strength plyometric shoes keep you on the balls of your feet and load the calves, building explosive jumping and sprinting power with a high traction outsole and shock absorbing midsole so you can train hard, longer. Add the J99 Flex $179. 99 29 reviewsForefoot platformHigh traction soleFast shipping Why It MattersExplosiveness Comes From the Calves and Forefoot

HoopsKing Training

Train Explosive — The Plyometric Shoe Built for Liftoff

J99 Flex Ultra Strength plyometric shoes keep you on the balls of your feet and load the calves, building explosive jumping and sprinting power — with a high-traction outsole and shock-absorbing midsole so you can train hard, longer.

★ 29 reviewsForefoot platformHigh-traction soleFast shipping
Why It Matters

Explosiveness Comes From the Calves and Forefoot

Flat training shoes let your heels do the work — the opposite of what builds a fast first step and a higher jump.

J99 Flex shifts the load onto the balls of your feet, so every drill trains the calf and forefoot strength that powers explosive movement.

What It Does

Built to Make You Better

Forefoot platform loads the calves

Builds explosive jump & sprint power

High-traction outsole for grip & stability

Shock-absorbing midsole saves your joints

Breathable for long sessions

Made for agility & plyometric work

Up Close

A Closer Look

The Details

Specs

Type
Plyometric training shoes
Color
Gray / Black
Use
Jump & agility training
Good Questions

FAQ

How should I use them?

Wear them for plyometric and agility training to build calf and forefoot strength — ease in, since they load those muscles hard.

How do they fit?

Check the product images for sizing; choose your normal athletic-shoe size.

How fast does it ship?

Most orders ship quickly with tracking emailed to you.

Customer Reviews

What Athletes Are Saying

Real feedback from players and coaches who use it.

Build Your Liftoff

Put explosive power under your feet every workout. Add the J99 Flex plyometric shoes today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 98845933139

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4.5 ★★★★★
Based on 7 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 5
Easy to use!
Color: Green
This has made my life easier. I like the battery last for long. And is easy to use!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
B
Verified Purchase
Barb K.
Draper, US
★★★★★ 1
Won’t cut
Color: Green
I have bought two of these The first wouldn’t cut so it was returned and replaced with another one that also would not cut. Wouldn’t recommend buying these at all.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
H
Verified Purchase
Heather Neal
Port Orchard, US
★★★★★ 5
Can opener
Color: Green
Love, love, LOVE
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
M
moose
Lowell, US
★★★★★ 4
I really like it
Color: Green, Color: Green
This thing is pretty cool. It's small, rechargeable, and it works in a weird way but very well. When I first tried it I thought it was broken and I ran it around a few times and it never cut the can where you see them cut with a normal can opener. I then realized that the whole top of the can lifts off! I've never seen that before. I actually really like it. So far I've only charged it once, but I don't use cans on a consistent basis so the charge will probably last forever. I just have to remember to plug it in occasionally so it's not dead one day when I really need it! The only reason it didn't get five stars is because the button is a little bit sensitive. If you're not careful sticking it in the drawer that button can press itself easy and then it will just run continuously.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
G
Verified Purchase
Glenda
Phoenix, US
★★★★★ 5
Can opener
Color: Green
Very easy to use. Battery last a long time before having to charge.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025

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