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Some Runners Are Calling This Knee Sleeve “Legal Doping” —  Is It Too Good for Races?

"It’s not banned yet, but it feels like it could be. Unlike many other garments, it shaves minutes off your race time instead of your leg hair!” 


This French startup has recently ruffled some feathers in the running industry after making a splash all over the social media.

 

The seemingly ordinary gear they’ve designed doesn’t just provide relief from knee pain faster than any invasive technology… It can also help you run laps around the competition.

 

Some runners hailed it as “legal doping”, because it’s helping them push past their limits. And while scientists are still fighting over the explanation, it seems like they’ve reached some consensus:

It wraps around your knees to act like a second skin addressing a root cause of knee pain: the broken muscle spindles helping your muscles „talk” to the nervous system. Buried deep inside the muscles, these proteins are wired with nerves to receive instructions from the brain on when and how much to stretch or contract.
But when they break due to the injury, surgery or some condition, this dialogue gets distorted and it leads to the uncontrolled movement causing inflammation, pain and secondary injuries. And yet, those spindles can be repaired by reactivating your body's natural ability to sense mechanical stress with a bit of pressure around the area.

But while such pressure could only be exerted by bulky medical braces, this thing was designed for runners, so it doesn’t restrict your movements. 

 

And it doesn’t slip or roll down either. You just put it on and forget it’s there.

 

Doesn’t matter if you’re suffering from a daily grind, a condition like arthritis, tendinitis, meniscus or recovering from a knee surgery.  

Perhaps you’re a seasoned running veteran looking to beat your PR or just an after-work jogger?

 

Truth be told - if you want to make knee pain a thing of the past, you can't stop moving it.

 

There is a reason why doctors recommend activity right after the complex knee surgeries.

 

Our knees are meant to move. And this gear could help you do that without pain. 

 

Stick with me and I'll show you how.

💡 Before we start — if you know someone who suffers from knee pain when running, would you mind sharing this with them?

What Are We Talking About?

It’s called V2 and it's a compression sleeve, but unlike typical sleeves, it was tailored for athletes, by athletes. 

It all started when Hugo, the veteran runner & Flytex founder in the picture, suffered a terrible ACL injury. 

 

Soon after the surgery, he expected the rehab to follow, but didn’t realise he’ll be left on his own with no sensible plan to get back on track. 

 

He couldn’t give up, so he went on a quest to try literally every solution on the market, including:

Medical “hinge” braces - great for recovery, but too bulky for training. These were designed to keep the knee in place, not to support it during movement. 

Unloaded braces - so uncomfortable to wear that despite the significant investment, 75% of people discontinue to wear them their first year. Yikes.  

Typical neoprene sleeves - that typically roll down and irritate the skin during the runs. 

Expensive painkiller pills & injections - just a temporary solution that only masked the problem, instead of solving it. 

Extensive physical therapy - the nearest centre was a 30-minutes drive but going 3 times per week didn’t seem feasible. And it didn’t guarantee anything, despite the price tag.

Only to discover that conventional solutions only offer a temporary fix that could even weaken the joint, to make the problem even worse.

 

Hugo was devastated. 

 

With progressing knee pain, he worried that he’d end up barely able to move soon. 

 

The thought of relying on a cane or even a wheelchair terrified him. 

 

And undergoing another surgery that would leave him disabled for months was out of the question.

 

Left with no other choice, Hugo tapped into his relentless mentality and decided to solve the problem once and for all...

Only to discover that conventional solutions only offer a temporary fix that could even weaken the joint, to make the problem even worse.

 

Hugo was devastated. 

 

With progressing knee pain, he worried that he’d end up barely able to move soon. 

 

The thought of relying on a cane or even a wheelchair terrified him. 

 

And undergoing another surgery that would leave him disabled for months was out of the question.

 

Left with no other choice, Hugo tapped into his relentless mentality and decided to solve the problem once and for all...

He dived deep into the science of knee pain, where he learned about the true mechanism behind most injuries, followed by the extensive tests of materials and designs that could provide the correct pressure during the runs.

And after months of research & development the V2 sleeve entered the market, but it wasn’t perfect.

 

It took another series of months to deliver a true game-changer. 

 

But it was certainly worth it.

 

In Hugo’s own words: 

“The V2 Compression Sleeve isn't just another knee sleeve—it's the culmination of extensive research and real-life runners feedback, providing the solution to the root cause of knee pain. All of that to liberate runners from the knee pain and improve their performance”

Word of mouth spread quickly through the running community, with athletes eagerly seeking the sleeve that seemed almost too good to be true. 

 

This overwhelming demand confirmed what Hugo had long believed in — that he had created something special, a game-changer for runners everywhere.

But How Does It Really Work?

While other products only heal the symptoms, the V2 addresses the root cause behind the knee pain:

The broken proprioception - aka the body's ability to sense and respond to movement.

 

V2 puts an active pressure of 15-20 mmHg on the key points surrounding the knee joint. This area is called the "Proprioreception Zone" or the P-Zone.

 

And that compression stimulates the protein spindles buried deep inside the muscles.

 

Now, normally, these spindles help your brain instruct the muscles to contract or stretch properly during the run. 

 

But when compromised due to an injury, they start to work like an HDMI cable in a loose socket...

They start transmitting chaotic signals to the muscles, leading to contractions and stretches that can cause inflammation and even lead to secondary injuries. 

 

However, with enough pressure, the connection gets restored. 

 

And it also enhances the blood flow to deliver oxygen and nutrients to the affected tissue so it can heal the inflammation. 

Yet That's Not All There Is To It

The elastic material also enhances joint stability, with it anti-slip silicon bands that prevent it from slipping.

 

But here comes the cool part:

 

Internal Flytex studies have confirmed that improved proprioception can increase athletic performance.

 

Basically making it an unfair advantage.

 

All this flies in the face of conventional wisdom - that you can just treat the symptoms or strengthen the muscles.

 

When in fact, those things do nothing to fix the muscle spindles, so they leave you vulnerable to pain and injuries.

Is It Easy To Use?

Couldn’t be easier — just slide the sleeve over the knee, adjust it for comfort and you’re good to go run! 


The sleeve will apply the pressure to the right areas and support your knees. It stays up, doesn’t roll down or fall and maintains elasticity for the warrantied 2 years.

 

Truth be told, you’ll probably forget you’re wearing it after a minute, because it’s so thin!

 

It offers immediate relief from discomfort minutes after wearing it and provides that nice boost to confidence many of us so desperately needed to get back on track. 

 

Is there a better way to forget about the knee pain?

 

Maybe. 

 

But it certainly won't leave that guy you've just passed so jealous of your stamina like these do!

Is V2 Sleeve For Every Type of Runner? 

It may sound a bit unrealistic, but no matter what type of runner you are — V2 can prove to be a true game changer for you. Truth be told… It’s a rare find to discover a runner who’s totally free from knee pain.

  • Those recovering from some serious knee injury or trauma, like muscle, joint, tendon and ligament tears or sprains, who went through surgery and/or rehab and are clueless on how to get back on track or worried about the recurring injuries

  • Those with meniscus, arthritis, osteoarthritis, or other chronic knee conditions that don’t want their life to be defined by pain and immobility

  • Long-distance runners including marathoners or ultrarunners enjoying trial and city runs.

  • Sprinters looking for extra support and boost to their performance

  • Runners working in professions that involve a lot of standing or sitting, such as medical services, catering, construction, office work, nursing, hospitality, driving, sports coaching, delivery and cleaning

  • Runners wanting to avoid reliance on painkillers or invasive treatments and those doing post-operative recovery or rehabilitation

  • Recreational and after-work joggers who compete only with themselves, for the health's sake.

  • Pregnant runners or those in post-pregnancy looking to support and regenerate their cardiovascular system

Easier to say who it is NOT for  — all the lucky ones without the knee pain. If you’re among them, you don’t need medical grade compression to prevent the injuries. Too much support can even do more harm, by weakening your proprioception. But if you just wear it for extra support during training, it’s completely fine.

What Else Do We Love About V2?

What's not to love? Give me a minute, and I'll try to list all of the benefits! 

Fits perfectly under my clothes 

Prevents falls or twists and further injury

Super-comfortable, keeps me cool & dry

No slipping or skin irritation

Medical-grade compression that works

Works so FAST (the relief usually kick-starts in minutes)

Is really easy to use and maintain

Isn't expensive at all (especially compared to medications)

Helps you unlock your true running potential 

Can literally heal you while you sleep (yes, you can wear it when sleeping)

Doesn’t require a prescription (thank God)

Is actually pretty eco-friendly

Can elevate your mood 

Helps improve focus at work

Can correct your posture and enhance it

But Wait There's More...

Machine-
washable

Ideal for all 
lifestyles

Affordable 
Alternative 

Durable 
Material

Endorsed by 
professionals

Enhances 
performance

Money-back 
Guarantee

Wear It 
All Day

Perhaps That's Why The Verified Customers Rave About It...

5.00

What a wonderful support brace. I have no ACL on my right knee after an injury. It helps tremendously for the over 8hrs I am on my feet and on cement. Thank you so much!

Morgan S.

Verified Purchase

5.00

A slow runner. Every long runs, 15+ miles, treat me with popliteus muscle pain, behind right knee. Got Flytex leg compression sleeves. Trick worked. No pain after my 26.2. Will get another pair of magic soon. Thank you Flytex.

Ganesh M.

Verified Purchase

5.00

I have femorotibial osteoarthritis pain. With the knee compression sleeves of flytex v2, I no longer have any pain. They are also very professional to provide me with the right size. They changed it without any problem. Very professional. 

Jess O.

Verified Purchase

How V2 Compares To The 
Ordinary Compression Sleeves

In a Short While, V2 Sleeve Have Become a Social Media Sensation Selling Thousands Of Units In The US Alone 

Once struggling with international orders, Flytex is now barely keeping up with the demand generated by the recent social media buzz.

 

But despite that, their messages remains simple:

 

"Knee support shouldn’t limit your mobility - in fact, it should improve it. With the support of over a thousand [runners] we’ve been able to achieve it after multiples rounds of rigorous testing.”

 

Which certainly doesn't stop the orders from flooding their HQ.

 

If this continues, the stock will likely sell out in a matter of days.


So... you might want to do yourself a favor and order them now.

Check Current Availability

Test It For 30 Days Before Making a Decision

If their summer edition is still available, here’s how you can give it a shot:

Click the green button below to go to their official shop*

Order a pair or three* through a guided checkout process

Enjoy your pain-free runs or even break your PR within the next 30 days. Then, and only then, decide whether you want to keep it or ship it back at no extra cost. 

WARNING: Please be cautious of similar-designed products you may find on other sites. There are many imitators who have tried to copy Flytex design, but they offer inferior quality. V2 is only sold via the official website. It is NOT available on Ebay or Amazon. 

You can now get a free pair with the order of 2, each in a different colour. Those backups come very handy when it comes to maintenance. Might as well grab the deal before they run out of stock again. 

It is that simple!

 

Flytex's mission is to empower athletes and that includes helping them make a truly informed decision.

 

They believe this type of decision can only be made from “the inside”, so they now offer a 30-day trial with hassle-free returns. 

 

Their brand even covers the return shipping for everyone! Meaning... you can return your pair when dissatisfied with your size, colour or anything, really.

 

But in the end it’s up to you.

 

You can continue to live without these...

 

Or you can click below to claim their special offer.

 

Here’s to your pain-free journey!

Featured:

4.8 | 26000+ Reviews

V2 Knee Sleeve

Try the only knee compression sleeve on the market that targets the root cause of a knee pain during physical activity. 
And do it risk-free.

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  • 30-Day Money Back Guarantee

4.9 26502 Trusted Athlete Reviews

V2 Sleeve 30-Day Trial

Try the only knee compression sleeve on the market that targets the root cause of a knee pain during physical activity. And do it risk-free.

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They Talk About V2 Sleeve

4.9 26502 Trusted Athlete Reviews

V2 Sleeve 30-Day Trial

Try the only knee compression sleeve on the market that targets the root cause of a knee pain during physical activity. And do it risk-free.

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  • 30-Day Money Back Guarantee

They Talk About V2 Sleeve

Have Questions? We've Got Answers!

Will it help me with my condition?

Flytex athletes reported massive relief from all the conditions below:

 

✔️ Leg heaviness
✔️ muscle fatigue
✔️ strains and sprains
✔️ stiffness
✔️ dislocations 
✔️ arthritis
✔️ osteoarthritis
✔️ tendonitis
✔️ bursitis 
✔️ swelling
✔️ cramps
✔️ blood clots
✔️ varicose veins
✔️ edema
✔️ lymphedema
✔️ phlebitis
✔️ blood stagnation

Why are they sold in pairs?

When one of your knees lacks the necessary support, your second leg usually takes over. The disbalance between the legs isn’t favourable, so it’s recommended that you use the sleeves on both legs at the same time. But you can wear each sleeve on either knee - they're exactly the same 

How to pick the right size?

Picking the right size is crucial, so that’s great you ask for it. For that, just measure the circumference of your leg in the widest point of your thigh. Then, pick your size:

 

S: Thigh circumference 14"-18" in
M: Thigh circumference 18"-20" in 
L: Thigh circumference 20"-22" in 
XL: Thigh circumference 23"-25" in
2XL: Thigh circumference 25"-27" in 
3XL: Thigh circumference 28"-30" in

 

If you fall between two sizes - I recommend that you order the larger one. And if you need more help, feel free to call Flytex at +1 646 568 7602 or send an email to contact@getflytex.co.

What if it doesn’t fit well?

You can exchange them free of charge, because we will handle the shipping. 

What sports are they ideal for?

Flytex athletes typically engage in the following activities: running, jogging, hiking, walking, cycling, swimming, weightlifting, gymnastics, basketball, soccer, rugby, volleyball, tennis, badminton, table tennis, golf, and many more.

Can I wear them outside the workouts?

Flytex V2 compression sleeves are designed to be used during physical activities so you can wear them during your workout or at work. Some folks decide to wear them during sleep, but you should likely consult that with your doctor.

Can they be worn under pants or jeans?

Sure! The compression sleeves can be comfortably worn under loose-fitting jeans or pants. Each sleeve is just 2 mm thick. You should barely notice you’re wearing it after a while.

What are the care instructions for washing?

I recommend hand-washing them in cold water. They can also be washed in the washing machine, though. To dry, lay them flat and let them air-dry to preserve their elasticity. Avoid ironing, bleaching, and dry cleaning.

What is the length of the sleeves?

The length of the sleeves is approximately 56 cm for all sizes.

What are the sleeves made of?

Our sleeves are made from an exclusive blend of antimicrobial nylon (75%), spandex (20%), and silicone (5%).

What is the delivery time?

All orders get shipped within a business day and on average take 7 business days to get delivered within the US Rest of the world would have to wait anywhere from 10-15 days.

What is the return and exchange policy?

Flytex offers returns and exchanges within 30 days. They are confident in the results and believe you will love the experience of wearing the compression sleeves. That's why every order comes with a 30-day money back guarantee, starting from the date of order.

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