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Rated 4.8/5 • 10,000+ customers

ThermaKnee™ Hot & Cold Knee Sleeve

Name: ThermaKnee™ Hot & Cold Knee Sleeve
Rating: 4.81 (183 reviews)

Soothing hot or cold relief that wraps around your knee—and stays put.

Thickened ThermaCore™ gel — concentrates cold exactly where the knee hurts

Secure no-slip compression — stays put through rest and light movement

Flexible after freezing — stays soft, never stiff or crackly

Hot & cold therapy — freeze it or microwave it, one sleeve does both

Sized to fit — choose S, M, L or XL for a snug, even fit

Color Black Blue Pink

Size S M L XL

If you are not 100% satisfied, contact us within 30 days for a full refund.

Secure checkout • Fast shipping • Ships in 1–2 business days

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ThermaKnee™ Hot & Cold Knee Sleeve

$69.99

$69.99 ~~$90.00~~

Save 22% Sold out

Recovery, simplified

Knee Relief Shouldn’t Be a Balancing Act

A loose ice pack slides off the second you move. A bag of ice drips down your leg and turns the couch into a puddle. Ten minutes in, it's warm — and you're back at the freezer.

ThermaKnee™ was made for people who want real cold therapy without babysitting it. Freeze the sleeve, slide it on, and let the compression hold the cold exactly where it hurts.

Hands-free hot or cold therapy

Even cold contact all the way around the knee

No drips, no towels, no mess

Real Recovery. Real People. Real Relief.

See how ThermaKnee™ fits into post-workout, post-op, and everyday recovery.

"68 and I walk a few miles every morning to stay ahead of the arthritis. Used to sit down after and prop bags of ice on each knee while they slid all over the place. Now I put one on each, sit out back with a cold drink, and let them do the work. My knees haven't felt this good in years."

Rick P. — Verified buyer

Everyday movement

Long walks

"ACL surgery in my second year of college and icing my knee while trying to study was a nightmare. Balancing a pack, sitting twisted so it wouldn't slide off. This just stays put. I can actually sit comfortably, get my work done, and let it do its thing. Total game changer during recovery."

Christelle J. — Verified buyer

ACL recovery

Post-op

"My knees are always stiff before a workout. I heat my sleeves up and wear them on my way to the gym, so by the time I start lifting they actually feel loose instead of creaky. Didn't expect the heat side to be the feature I use most."

Alara M. — Verified buyer

Stiff knees

Workouts

What Customers Notice First

Excellent

4.8

/ 5

Finally something that stays put

I've iced my knee with bags of peas, gel packs, everything. They all slide off the second I move. The compression on ThermaKnee actually holds it against my kneecap the whole session. First one that's worked for me. I've iced my knee with bags of peas, gel packs, everything. They all slide off the second I move. The... I've iced my knee with bags of peas, gel packs, everything. They all slide off the second I move. The compression on ThermaKnee actually holds it against my kneecap the whole session. First one that's worked for me.

Jason M. — Verified Buyer

Great customer support

Ordered the 2 pack and only 1 showed up in the box. Sleeves themselves work great, but it was a little annoying. Reached out to the Vlemin support team and they were quick to sort it out. Had the third one shipped the same day. Can't say enough good things about them. Special thanks to Stephanie! You earned a customer for life. Ordered the 2 pack and only 1 showed up in the box. Sleeves themselves work great, but it was a... Ordered the 2 pack and only 1 showed up in the box. Sleeves themselves work great, but it was a little annoying. Reached out to the Vlemin support team and they were quick to sort it out. Had the third one shipped the same day. Can't say enough good things about them. Special thanks to Stephanie! You earned a customer for life.

Drew S. — Verified Buyer

No more soaked couch cushions

The mess was honestly the worst part of icing my knee. This is clean, reusable, and I can wear it around the house while it does its thing. Wish I'd found it years ago. The mess was honestly the worst part of icing my knee. This is clean, reusable, and I can wear it... The mess was honestly the worst part of icing my knee. This is clean, reusable, and I can wear it around the house while it does its thing. Wish I'd found it years ago.

Marcus T. — Verified Buyer

On my feet all shift, this is my reset

I'm a nurse and my knees are wrecked by the end of a 12-hour shift. I freeze it in the morning and throw it on the second I get home. Being hands-free means I can actually relax while it works. I'm a nurse and my knees are wrecked by the end of a 12-hour shift. I freeze it in the... I'm a nurse and my knees are wrecked by the end of a 12-hour shift. I freeze it in the morning and throw it on the second I get home. Being hands-free means I can actually relax while it works.

Denise R. — Verified Buyer

Good product, slow to arrive

No complaints about the sleeve itself. It does what it says and the heat function is nice on stiff mornings. Knocking a couple stars because shipping took longer than I expected. Support did email me tracking when I asked, though. No complaints about the sleeve itself. It does what it says and the heat function is nice on stiff mornings.... No complaints about the sleeve itself. It does what it says and the heat function is nice on stiff mornings. Knocking a couple stars because shipping took longer than I expected. Support did email me tracking when I asked, though.

Trevor B. — Verified Buyer

Solid for post-run recovery

I run 20+ miles a week and my knees let me know about it. Icing right after with this has made a real difference in how they feel the next morning. Would love a slightly longer sleeve option, but the fit is comfortable and it stays put. I run 20+ miles a week and my knees let me know about it. Icing right after with this has... I run 20+ miles a week and my knees let me know about it. Icing right after with this has made a real difference in how they feel the next morning. Would love a slightly longer sleeve option, but the fit is comfortable and it stays put.

Will J. — Verified Buyer

Bought a second for my other knee

Started with one and liked it enough that I ordered a second so I can do both knees or keep one in the freezer at all times. The 2 pack pricing made it easy. No regrets. Started with one and liked it enough that I ordered a second so I can do both knees or keep... Started with one and liked it enough that I ordered a second so I can do both knees or keep one in the freezer at all times. The 2 pack pricing made it easy. No regrets.

Linda A. — Verified Buyer

Cold lasts the whole 20 minutes

The thing I care about is whether it stays cold long enough to actually finish a session, and this does. I don't have to keep running back to the freezer halfway through. Does the job. The thing I care about is whether it stays cold long enough to actually finish a session, and this does.... The thing I care about is whether it stays cold long enough to actually finish a session, and this does. I don't have to keep running back to the freezer halfway through. Does the job.

Sidney K. — Verified Buyer

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Powered by ThermaCore™ Gel

A thickened gel core that holds temperature longer and stays flexible — freeze it or heat it.

Freeze or Heat

Freeze for cold therapy, or microwave in short bursts for soothing warmth.

Wear

Slide the sleeve on. Compression seats the gel core evenly around the knee.

Recover

15–20 minutes of steady contact — hands-free, no readjusting, no mess.

Recovery

For People Who Refuse Melting Ice Packs

Steady, hands-free cold and heat therapy that stays exactly where you put it — through rest, stretching, and light movement — without the drips, the towels, or the trips back to the freezer.

No sliding, no holding it in place
One sleeve for both hot and cold
Flexible straight out of the freezer
Reusable, session after session

Shop ThermaKnee™

One Sleeve. Multiple Moments.

Made for the situations where you actually need your knee to feel better.

After a run — Ice a sore knees & enjoy no slip recovery

Post-op days — cold for swelling, heat for stiffness

Long work days — relief the moment you sit back down

30 DAY

30-Day Satisfaction Guarantee

Try ThermaKnee™ at home. If you are not satisfied with your order, contact us within 30 days and we will make it right!

Frequently Asked Questions

FAQ

How long does it stay cold?

The thickened ThermaCore™ gel holds cold through a full 15–20 minute session, which is the recommended window for cold therapy. Use it, give your skin a break, and refreeze for the next round.

Will it stay in place while I move?

The compression fit is designed to stay put during rest and light movement without rolling or sliding. It's built for recovery sessions, not high-impact activity.

Is it safe for sensitive skin?

Place a thin towel or sock between the sleeve and your skin if it feels too cold. Keep sessions to 15–20 minutes with breaks — prolonged cold directly on skin isn't recommended.

Should I wear anything between the sleeve and my skin?

The sleeve can be worn directly against the skin when the temperature feels comfortable. If you have sensitive skin or the sleeve feels too hot or cold, place a thin layer of fabric between your skin and the sleeve.

Always test the temperature before use.

How do I heat it?

Allow the sleeve to return to room temperature and remove it from any storage bag.

Microwave it for 30 seconds, then continue heating in 10-second intervals until it reaches a comfortable temperature. Check the temperature carefully before wearing it.

Do not overheat the sleeve.

How do I prepare it for cold therapy?

Place ThermaKnee™ inside a protective plastic bag and freeze it for approximately two to three hours.

If it feels too cold, allow it to sit at room temperature briefly before wearing it.

What if I am between two sizes?

For a more secure compression fit, choose the smaller size. For a gentler or more relaxed fit, choose the larger size.

If swelling changes the size of your knee or thigh significantly, consider how the sleeve will fit during the time you expect to use it.

How do I clean the sleeve?

Wipe it gently with a damp cloth and allow it to air-dry completely.

Do not machine wash, tumble dry, iron or submerge the sleeve in water.

What if ThermaKnee™ is not right for me?

Your purchase is protected by our 30-day satisfaction guarantee. Contact our support team within 30 days of delivery, and we will guide you through the return process according to our return policy.

How do I get in contact?

You can message support by clicking the "Contact Us" section on our store.

Knee Therapy That Actually Stays Put

Reusable hot & cold relief with a secure compression fit and a flexible gel core. Sizes S–XL.

Get ThermaKnee™ Today

Cold

Heat

5 stars: 160 (87%)
4 stars: 15 (8%)
3 stars: 5 (3%)
2 stars: 2 (1%)
1 star: 1 (1%)

My knees have been wrecked from years of trail running. Tried every ice pack configuration imaginable. ThermaKnee is the first one that actually stays where it needs to stay on a curved joint. Have been using it every evening this week and already notice a difference.

Ordered this Tuesday and it arrived Thursday. Used it that same night. My knee has been bothering me since a hiking trip last month and I finally feel like I'm actually doing something about it instead of just tolerating it. The sleeve stays cold, stays on, and I can still move around. Wish I'd ordered sooner.

Started heating this in the mornings before my commute. By the time I get to work my knees are actually warm and loose instead of stiff and creaky. Didn't think a product could change something as basic as how my mornings feel. It did.

Just finished a 10-mile run this morning and had ThermaKnee on within 20 minutes. Sitting at my desk right now with it on. Knees are already feeling better than they usually do four hours post-run. The routine is just easier when the product cooperates.

Bought this for my dad who's been dealing with knee arthritis for years and refuses to complain about it. Called him yesterday. He said he's been using it twice a day since it arrived and 'it's not bad.' That's the highest praise he gives anything. Five stars from both of us.

I don't understand why it has to go in the freezer. That seems like a design flaw. Why can't it just be cold on its own. One star.

I don't like cold. I bought this thinking it was just a compression sleeve. It is cold. I don't like cold. I will not use the cold function. This is a me problem. The heat function works fine so I'm keeping it.

Solid product. Does what it promises. My one note is the smell was a bit strong out of the packaging — dissipated after a day or two. Performance is excellent.

Bought for post-run recovery. Works perfectly for that. I'm giving 4 stars only because I wish the cold lasted 30 minutes instead of 20.

I'm a flooring installer. Kneeling all day every day. My knees are cooked by Thursday. This gets me to the weekend.

Genuinely effective. The stays-put feature alone is worth the price. Slight learning curve figuring out how long to freeze for your preferred intensity. Once you figure that out, it's great.

Very happy with the performance. Gel stays cold, sleeve stays on, I can walk around. I'm giving 4 stars because I ordered the two-pack and the second one took longer to arrive. Got it eventually and both work perfectly.

Really happy with this purchase. The gel wraps around my knee the way nothing else has. I knocked one star because the instructions could be more detailed but honestly figuring it out took about 5 minutes.

Excellent cold therapy. Love the flexibility. My sleeve has a slight color variation on one side that looks like a manufacturing inconsistency, doesn't affect function at all.

Really solid. I wish it came with a carrying case for travel but that's a minor thing. The product itself is excellent and I've recommended it to three people.

The heat function works better than expected. Cold function is also great. My one note would be that the sizing guide could be clearer. Product itself: five stars.

Great product. My only complaint is that the sleeve runs a little snug — I'm between sizes. But once it's on it stays perfectly and does the job well.

Does exactly what it says. Cold lasts, stays in place, hands free. Gel is a bit firmer than I expected out of the freezer but it softens up quickly once it's on.

Bought two and convinced my whole family to use them. Sunday recovery sessions with ThermaKnee are now a family tradition.

At 52 I thought knee pain was just the new normal. It turns out the new normal was just not having the right recovery tool.

I've been icing my knee wrong for years. Flat pack, towel, hand holding it. This is what correct looks like.

Cold lasts. Stays on. Flexible. Clean. Reusable. I don't know what else a product is supposed to do.

My daughter bought me this for my birthday because I complained about my knees at Thanksgiving. Best birthday present in memory. Use it every single day.

Former collegiate soccer player. My knees have taken years of abuse and this is the first recovery product I've actually stuck with.

Night shift nurse. This on my commute home in the car has made night shifts survivable for my knees.

I was a skeptic. My knees are the converts.

I'm a personal chef. On my feet all day on kitchen floors. ThermaKnee after a long service is now part of the job.

My physical therapist practically high-fived me when I told her I'd been consistent with icing for 3 weeks straight. ThermaKnee is the reason I was consistent.

The cold reaches places a flat pack never touched. The contoured fit is the real product innovation.

My running group all started using these after I brought mine to a post-race meetup. We have a group chat now just about recovery. ThermaKnee started it.

Works for both knees independently. I do one at a time since I only bought one sleeve. Works perfectly.

Six months in and it's still the thing I reach for first after any kind of physical activity.

Was gifted this and thought it was a silly present. Owe my daughter a big apology. It's genuinely excellent.

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ThermaKnee™ Hot & Cold Knee Sleeve