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Thermosleeve
360° hot/cold compression sleeve
Eliminate knee, joint and muscle pain in seconds with soothing heat to loosen stiff joints and tight muscles; or cool relief for acute or inflammatory muscle and joint pain; and compression to relieve pressure on joints and improve circulation.
Made with antimicrobial, moisture-wicking, odor-resistant materials for quick and easy care.
View Size Guide
Pick your size
Measure the circumference 1 inch above your knee, then compare below for recommended sleeve size.
- 25-38 cm (10-15 in) = SMALL
- 33-51 cm (13-20 in) = MEDIUM
- 41-64 cm (16-25 in) = LARGE
Measure the circumference 1 inch above your elbow.
- 25-38 cm (10-15 in) = SMALL
- 33-51 cm (13-20 in) = MEDIUM
- 41-64 cm (16-25 in) = LARGE
Measure the circumference of the largest portion of your calf.
- 25-38 cm (10-15 in) = SMALL
- 33-51 cm (13-20 in) = MEDIUM
- 41-64 cm (16-25 in) = LARGE
Measure the circumference of the largest portion of your foot.
- 25-38 cm (10-15 in) = SMALL
- 33-51 cm (13-20 in) = MEDIUM
- 41-64 cm (16-25 in) = LARGE
Measure the circumference of the largest portion of your thigh.
- 25-38 cm (10-15 in) = SMALL
- 33-51 cm (13-20 in) = MEDIUM
- 41-64 cm (16-25 in) = LARGE
Length of Each Size
SMALL & MEDIUM
25 cm (9.8 in)
LARGE
27.5 cm (10.8 in)
LIMITED-TIME OFFER
Receive a FREE bottle of KneeForge Daily Build (worth $49) when you purchase a Pair of Thermosleeves.
Add a Pair to cart to redeem this offer.
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"The Thermosleeve is a great product addition to the Hydragun lineup. Not only does this help in a clinical setting, it is the perfect recommendation for home use. The compression and hot/cold combination is perfect for the management of joint and muscle pain and inflammation."
Dr Cody Hanish
Doctor of Chiropractic
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“The Thermosleeve material is better than anything else that’s on the market. I mainly use it for my knees and it really helps with my recovery! I love how easy and convenient it is to use as an ice or heat pack.”
Angela Lee Pucci
ONE Women's Atomweight Champion
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“As a sports scientist at Coached working with endurance athletes, I understand the huge importance recovery has on maintaining peak performance. The Hydragun products are great to help with compounding training for myself and those we coach.”
Jim Webster
Sports scientist, Coached Fitness
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"Such a brilliant idea! I’m obsessed with these Thermosleeves. You can so conveniently slip on the iced sleeve as compared to the usual method of getting icing with a bag and towel."
Gina Mazany
Professional Mixed Martial Artist
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“The Thermosleeve is unique in its cooling and heating abilities alongside the Hydragun application.”
Bronte Campbell
Tokyo 2020 Olympian, Gold Medalist
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“The Thermosleeve has been perfect for helping cool my aching muscles after training vigorously, the material is soft and stretchy and can cover any area.”
Jack Crisp
Professional AFL Player
Relieve knee and joint pain
naturally and instantly
Just 10 minutes a day
Cold therapy
Reduces swelling. Effective for acute pain relief. Ideal for ACL pains, runners knees, meniscus pains and post-surgery pains.
Hot therapy
Increases bloodflow. Effective for chronic soreness relief. Ideal for arthritis, stiff joints, muscle soreness and DOMs
Durable, easy-care fabrication
ThermoGel™ layer
Specially formulated to stay hot and cold for the doctor-recommended treatment time of 10 minutes
Plush hydrogel provides comfortable, 360° coverage around limbs or joints
Non-toxic antimicrobial formulation for easy care
Eco-friendly, high-performance fabric blend
Breathable, moisture-wicking, quick-dry and odor-resistant
Durable blend of recycled fibers resists deterioration from exposure to sweat, oils, creams and lotions
Comfortable 4-way stretch with a supple, ultra-smooth finish
Non-toxic
Safe and non-toxic hydrogel formulation
Antimicrobial
Made from antimicrobial materials for easy care
Hypoallergenic
Made from high-quality hypoallergenic materials
Four-way stretch
Comfortable four-way stretch fabric with a supple, ultra-smooth finish
Why Thermosleeve?
Immediate relief
No wait: starts and stays at just the right temperature, no insulating wraps or towels needed
No prep: slides easily on to just the right spot, no need to secure with bandages or tape
Mess-free and easy-care
No slips and drips from melting ice or condensation
No clean-ups: just air for a few minutes and pop back into the storage pouch until you need it again
Multi-functional
Use on arms, elbows, wrists, ankles, knees, calves and thighs
Combines hot, cold, and compression therapy to meet a wide range of recovery needs
Caring for your Thermosleeve is easy!
1
Air dry a few minutes after each use
Avoid machine washing, putting it in the dryer or washing with soap and water.
2
Store in the provided pouch
This prevents your Thermosleeve from drying out in the freezer or in drier climates, and extends the life of your Thermosleeve.
Where to use your Thermosleeve
Tennis elbow, golfer’s elbow, UCL tear, flexor tendinitis
Carpal tunnel, wrist tendinitis and tenosynovitis
Delayed-onset muscle soreness (DOMS), cramps and spasms, strains and contusions, swelling caused by circulation issues such as lymphedema or venous insufficiency
ACL or PCL tear, torn meniscus, patellar tendinitis, ITBS, golfer’s knee
ATFL tear, ankle sprain, Achilles tendinitis, plantar fasciitis
Use cool to reduce swelling after injury or intense exercise
Use warm to ease soreness and tension, and to treat cramps and spasms
Support and stabilize joints after injury or surgery
Use cool to relieve bursitis
Alternate hot and cold therapy for arthritic conditions such as osteoarthritis, rheumatoid arthritis and gout
Use cool to relieve strains and sprains
Use warm for acute tendinopathy (tendinitis) and cool for chronic tendinopathy (tendinosis)
Elbows
Tennis elbow, golfer’s elbow, UCL tear, flexor tendinitis
Wrists
Carpal tunnel, wrist tendinitis and tenosynovitis
Arms, calves and thighs
Delayed-onset muscle soreness (DOMS), cramps and spasms, strains and contusions, swelling caused by circulation issues such as lymphedema or venous insufficiency
Knees
ACL or PCL tear, torn meniscus, patellar tendinitis, ITBS, golfer’s knee
Ankles
ATFL tear, ankle sprain, Achilles tendinitis, plantar fasciitis
Muscles
- Use cool to reduce swelling after injury or intense exercise
- Use warm to ease soreness and tension, and to treat cramps and spasms
Joints
- Support and stabilize joints after injury or surgery
- Use cool to relieve bursitis
- Alternate hot and cold therapy for arthritic conditions such as osteoarthritis, rheumatoid arthritis and gout
Tendons and ligaments
- Use cool to relieve strains and sprains
- Use warm for acute tendinopathy (tendinitis) and cool for chronic tendinopathy (tendinosis)
Three powerful treatments in one
Tip:
Combine compression and hot/cold therapy for faster, more powerful relief
Alternate hot and cold therapy at different stages of recovery– start with cold to reduce swelling, then heat to soothe and relax
How to use Thermosleeve
1
Cool or heat
Cool: Store your Thermosleeve in the freezer (it cools fully in 2-3 hours).
Heat: Heat your Thermosleeve in the microwave for 20-40 seconds, depending on your preferred level of warmth. If necessary, heat for additional 10 second intervals until desired heat.
2
Wear or hold
Wear the Thermosleeve around the sore muscle or joint, or hold it directly on the sore body part.
3
Rest
Rest for 10 minutes while the Thermosleeve does its magic.
Our hassle-free purchase experience includes:
Free standard shipping to your doorstep
Free and easy returns within 30 days, no questions asked
Free exchanges so you can find the perfect fit
Fast, responsive, 24/7 customer support
Our promise to you:
We guarantee every purchase with our 30-day “Love it or return it” policy. Buy it, try it, and if for whatever reason you don’t like it, return it to us for a full refund.
Reviews from our
customers
Get the Thermosleeve now for pain-free knees
Frequently asked
questions
Yes. The Thermosleeve can be used as a compression sleeve and as a weighted heat or ice pack. You can wear it on your joints and muscles for 360° relief, or place it on a sore or aching body part such as the chest or back.
We do not recommend wearing the Thermosleeve overnight or for several hours at a time, as this may cause the ThermoGel™ to dry out. Store the Thermosleeve in the pouch provided when not in use.
Each Thermosleeve is designed to retain its temperature for up to 10 minutes. This helps to maximize the product’s lifespan and prevents injury or burns to the skin.
Yes. Thermosleeves contain ThermoGel™, a non-toxic, freezer-safe hydrogel that can be left in the freezer for long periods of time. Each sleeve takes about 2-3 hours to fully cool.
Heat for 20-40 seconds, depending on your preferred level of warmth. If necessary, heat for additional 10 second intervals until the Thermosleeve reaches your desired temperature.
If your Thermosleeve was stored in the freezer, allow Thermosleeve to rest to room temperature before heating.
Do not heat for more than a total of 40 seconds at a time. The Thermosleeve should not be scalding hot, but a comfortable warm temperature.
The Thermosleeve is made of antimicrobial and odor-resistant materials for easy maintenance. Simply air your Thermosleeve in a dry and shady location after each use, and store it in the provided storage pouch between uses to prevent the ThermoGel™ from drying out in the freezer or in drier climates.
If desired, you can also clean your Thermosleeve by wiping it down with a damp cloth.
Yes. The Thermosleeve is CE certified and each batch undergoes stringent quality checks to ensure it is non-toxic, leak-proof, and safe to use.
The Thermosleeve comes in 3 sizes: small, medium and large.
Thermosleeve can be worn on the arms, elbows, wrists, ankles, knees, calves and thighs. To determine the right size for you, measure the circumference of the relevant body part (full measurement instructions here).
For circumferences of 8-10 in or 20-25 cm, choose small.
For
circumferences of 10-13 in or 25-33 cm, choose medium.
For
circumferences of 13-16 in or 33-40 cm, choose large.
We recommend purchasing multiple Thermosleeves for different body parts so you can use them together at the same time.
For the United States: 3-6 business days
We ship from our warehouses in Farmingdale, New York and Singapore.
The Thermosleeve ships free to Australia, Canada, Hong Kong, Malaysia, New Zealand, Singapore, South Korea, United Kingdom, and United States.
It also ships to the following countries. Use CTRL+F (CMD+F for Mac) to search for your country:
Europe: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Vatican City
Asia: Bangladesh, Brunei, Cambodia, China, Indonesia, Japan, Laos, Macau, Maldives, Mongolia, Myanmar, Nepal, Pakistan, Philippines, Sri Lanka, Taiwan, United Arab Emirates, Vietnam
North America: Mexico
South America: Guyana
Oceania: Fiji, Papua New Guinea
We ship internationally worldwide. You can check shipping costs to your country after entering your location details at checkout.
We process the orders every business day to be shipped out next business day. This will typically take 1 to 2 business days for your order to be shipped out from your day of order. You will receive an email confirming your purchase, and once the shipment has been picked up, you will receive a tracking number.
We are powered by checkout.com. We accept Visa and Mastercard credit and debit cards.
You may checkout with Paypal at the checkout page for orders in the United States and worldwide.
You may hover over the country selector on the top right of this page to see the available domains. We accept the local currency of the available domains in the list.
Note that not all products are available on all the domains.
Yes, every Thermosleeve purchase is protected by a 30-day risk-free guarantee with free returns. If you wish to return your Hydragun, simply email support@hydragun.com or use the live chat on our website to speak to any of our customer care representatives.
We do not have a physical store. However, we do have a 30 days love it or return it guarantee for those who wish to try the Thermosleeve experience for themselves.