Best Knee Pads for Grappling: BJJ vs MMA Picks
Knee pads for BJJ and MMA compared. We cover sleeve vs hinged styles, mat burn protection, and the top picks from Cliff Keen, Bauerfeind, and more.
Knee injuries and mat burn are two of the most common complaints in grappling. Whether you train BJJ, wrestling, or MMA, the right knee pads can extend your training career and keep you on the mat longer. This guide breaks down the best knee pads for grappling based on community recommendations, intended use, and the differences between what BJJ and MMA practitioners actually need.
TL;DR: Quick Picks
| Knee Pad | Best For | Type | Price Range |
|---|---|---|---|
| Cliff Keen The Impact | Wrestling and MMA grappling | Hard-shell pad | $30-40 |
| Bauerfeind Sports Knee Support | Compression + stability | Sleeve with silicone ring | $50-70 |
| McDavid Hex Knee Pad | Mat burn protection | Hex-padded sleeve | $25-35 |
| Mizuno LR6 Volleyball Knee Pad | Budget mat burn only | Basic pad | $15-25 |
| Bear KompleX Knee Sleeves | Compression for BJJ | Neoprene sleeve | $30-40 |
Why Knee Pads Matter for Grappling
Your knees take a beating in grappling sports. BJJ involves constant kneeling, sprawling, guard passing from the knees, and moves like knee slides that grind your kneecap directly into the mat. MMA adds sprawl-and-brawl takedown defense where your knees hit the mat at speed.
Over time, this leads to two problems. First, mat burn — the red, raw patches on your knees that sting in the shower. Second, and more seriously, chronic irritation of the bursa (the fluid-filled sac that cushions your kneecap), which can develop into bursitis if left unaddressed.
Knee pads will not prevent ligament injuries from bad takedowns or heel hooks. But they will protect the surface of your knee from abrasion and reduce the cumulative impact stress from thousands of reps on the mat.
Types of Knee Protection for Grappling
Knee Sleeves (Compression Only)
These are neoprene or fabric tubes that slide over your knee. They provide warmth, compression, and proprioceptive feedback (your brain gets better signals about where your knee is in space). They do not have dedicated padding.
Best for: Practitioners who want joint warmth and light support without bulk. Popular in BJJ gi training where mat burn is less of an issue because the gi pants cover the knees.
Padded Knee Sleeves
Knee sleeves with an integrated pad over the kneecap. The padding varies from thin foam to hexagonal cell padding (like the McDavid Hex). These are the most popular choice for no-gi grapplers.
Best for: No-gi BJJ, wrestling drilling, and anyone who does a lot of knee-down guard passing.
Hard-Shell Knee Pads
Wrestling-style pads with a rigid or semi-rigid shell over the kneecap. The Cliff Keen The Impact is the classic example. These provide the most impact protection but are bulkier.
Best for: MMA grappling, wrestling, and training on hard mats or non-spring floors.
Hinged Knee Braces
Medical-grade braces with metal hinges on each side of the knee. These provide actual structural support for the joint and are typically used after an injury or surgery.
Best for: Post-injury return to training. These are medical devices, not general training gear. Consult a doctor before using one.
Best Knee Pads for BJJ
1. McDavid Hex Knee Pad — Best for No-Gi BJJ
The McDavid Hex uses hexagonal padding cells that flex with your knee while providing cushioning. The hex pattern distributes impact across the surface rather than concentrating it in one spot. The sleeve stays in place better than most during rolling because the hex cells create friction against the skin.
The fit runs true to size. Measure your knee circumference and follow the sizing chart. The material wicks moisture reasonably well, though it will get sweaty during a long training session like everything else.
Why grapplers like it: The hex padding is thin enough that it does not restrict your movement but thick enough to eliminate mat burn completely. Multiple Reddit users on r/bjj report wearing these for years without knee skin issues.
Drawbacks: The padding does not extend to the sides of the knee, so lateral mat contact is not covered. The elastic band at the top can roll down on some leg shapes.
2. Bauerfeind Sports Knee Support — Best for Aging Knees
The Bauerfeind is a premium German-engineered knee sleeve with a silicone ring (they call it an “Omega pad”) around the kneecap. This ring provides targeted compression to the area around the patella without restricting kneecap movement.
This is not really a knee pad in the traditional sense. It does not have thick padding for mat burn. What it does is provide medical-grade compression and proprioceptive feedback that can help with patellar tracking issues, mild instability, and general knee aches.
Why grapplers like it: Older practitioners and those returning from minor knee issues consistently recommend this as the sleeve that lets them keep training. The quality of the knit fabric is noticeably better than cheaper sleeves.
Drawbacks: Expensive for a knee sleeve. Does not protect against mat burn. Not a substitute for proper medical treatment if you have a real knee injury.
3. Bear KompleX Knee Sleeves — Best Compression Sleeve for BJJ
These 5mm neoprene sleeves are borrowed from the CrossFit world but work well for BJJ. They provide solid compression, keep your knees warm during training, and the neoprene gives a small amount of cushioning. The seam placement avoids the back of the knee, which reduces irritation.
Why grapplers like it: They are simple, durable, and provide enough compression to make stiff knees feel better during warmups. The 5mm thickness is a good middle ground between support and mobility.
Drawbacks: No dedicated padding, so mat burn protection is minimal. Neoprene gets hot and sweaty. The smell after a few months of training is memorable.
Best Knee Pads for MMA Grappling
4. Cliff Keen The Impact — Best for MMA and Wrestling
The Cliff Keen Impact is the knee pad you see in college wrestling rooms across the country. It has a contoured hard-shell pad that wraps around the kneecap, supported by a neoprene sleeve. The shell is rigid enough to protect against hard impacts on the mat but low-profile enough that it does not interfere with wrestling movements.
For MMA practitioners who split time between striking and grappling, this pad stays in place during transitions from standing to the ground. The strap system keeps it from sliding down your shin during scrambles.
Why grapplers like it: Built for the demands of competitive wrestling, so it handles anything you throw at it in MMA training. Extremely durable — users report these lasting 2-3 years with regular use.
Drawbacks: Bulkier than sleeve-style options. Some BJJ practitioners find the hard shell catches on gi fabric. Better suited for no-gi and MMA.
5. Mizuno LR6 Volleyball Knee Pad — Budget Mat Burn Solution
This is a popular budget pick that comes up frequently in Reddit threads about mat burn. The Mizuno LR6 is a volleyball knee pad with a low-profile foam pad and a smooth exterior that slides on the mat rather than catching.
It is not designed for grappling, and it will slide around more than a purpose-built wrestling knee pad. But at $15-25 a pair, it is an affordable way to test whether knee pads improve your training before investing in a premium option.
Why grapplers like it: Cheap, available everywhere, and it stops mat burn. For beginners who are not sure they want to spend $50 on knee pads, this is a reasonable starting point.
Drawbacks: Slips during aggressive scrambles. The padding is thin and compresses quickly. Not enough protection for hard impacts. You get what you pay for.
BJJ vs MMA: What is Different About Knee Pad Needs?
BJJ (Gi)
In gi training, your knee is usually covered by the gi pants. Mat burn on the knees is less of an issue. The primary reason to wear knee protection in gi BJJ is joint warmth and compression, especially for older practitioners or those with previous knee issues. A simple compression sleeve like the Bear KompleX or Bauerfeind is usually sufficient.
BJJ (No-Gi)
No-gi is where knee pads become essential for many practitioners. Your bare skin (or shorts/spats) is sliding directly on the mat during guard passes, knee cuts, and scrambles. A padded sleeve like the McDavid Hex is the most popular choice.
MMA Grappling
MMA training is harder on the knees because you add sprawls, level changes, and transitions between standing and ground work at speed. The impacts are higher-velocity than pure grappling, so a more substantial pad like the Cliff Keen Impact is justified.
Sizing Your Knee Pads
Proper sizing is the difference between a knee pad that stays in place and one that slides to your ankle. Here is how to measure:
- Stand up straight with your leg extended.
- Measure the circumference around the center of your kneecap with a flexible tape measure.
- Compare to the manufacturer’s sizing chart.
If you are between sizes, size down for sleeves (you want compression) and size up for hard-shell pads (you want comfort).
Do Knee Pads Affect Your Game?
A common concern is that knee pads will limit your mobility or change your movement patterns. In practice, modern knee sleeves and low-profile pads have minimal impact on your range of motion. Many grapplers report that the warmth and compression actually make their knees feel better during training, which improves rather than hinders their movement.
Hard-shell pads like the Cliff Keen do add some bulk and can occasionally catch on gi fabric. For pure gi BJJ, sleeves are a better choice. For no-gi and MMA, the slight bulk of a padded option is worth the protection.
Washing and Maintenance
Knee pads absorb sweat and bacteria from the mat, which means they can get disgusting quickly. Here is how to keep them functional and hygienic:
- Rinse after every session with cold water. Do not leave them in your bag.
- Machine wash weekly on a cold, gentle cycle with sports detergent. Skip the dryer — air dry only.
- Soak monthly in a solution of water and white vinegar (1:4 ratio) to kill bacteria and reduce odor.
- Replace the elastic when it no longer provides compression. For sleeves, this usually means buying a new pair.
FAQ
Are volleyball knee pads good for BJJ?
Volleyball knee pads provide basic mat burn protection but lack the lateral support needed for grappling. They tend to slip during scrambles. Purpose-built grappling knee pads or wrestling knee pads are a better choice.
Should you wear knee pads for no-gi BJJ?
Many no-gi practitioners wear knee sleeves or pads to protect against mat burn and provide light compression. They are especially helpful if you play a lot of guard or do frequent knee slides.
What is the difference between knee sleeves and knee pads for grappling?
Knee sleeves provide compression and warmth without padding. Knee pads add a cushioned layer over the kneecap. For grappling, knee pads with a low-profile pad offer the best combination of protection and mobility.
Can knee pads prevent ACL injuries in BJJ?
No. Knee pads and sleeves protect the surface of the knee and provide compression. They do not provide the structural support needed to prevent ligament injuries. If you are concerned about ACL health, focus on strengthening the muscles around your knee and learning proper defensive techniques for leg locks.