Jade Harmony vs B Mat Strong: Which One Should You Buy?

Most mats ask you to earn their grip. These two do not. Both are rubber, both hold your hands from the first class, and both come up constantly when people describe finally getting off a mat they were sliding on. The Harmony has been doing this since long before hot yoga was a category; the B Mat arrived later and is now the mat reviewers reach for when grip is the only criterion.

The roughly $44 between them does not buy better traction. It buys a bigger, thicker mat with a certification attached. Whether that is worth it depends mostly on your height and your knees.

Both mats grip from the moment they unroll, so this is not the deciding factor and you should not let a review convince you otherwise. Jade has built the Harmony’s reputation on it for years and advertises a Yoga Journal award for grip; owners describe the surface as simply holding whatever touches it.

GearLab tested the 4 mm version of the B Mat, which uses the same rubber as the Strong, rated it 9 out of 10 for grip, and called it one of the grippiest mats it had used in either wet or dry conditions. The same review notes the surface can be too grippy for styles built on sliding transitions, with testers switching to stepping between poses. The Harmony is tacky in a slightly more forgiving way, so if you practice fast vinyasa or Ashtanga, that is a point in its favor.

The Harmony is open-cell, so sweat goes into the rubber rather than sitting on it. That absorption is what Wirecutter credits for the Harmony’s traction in sweaty sessions, and it works. The cost is that the moisture is now inside your mat, which means more frequent cleaning and faster wear if you sweat heavily.

The B Mat does not absorb. Sweat pools on the surface and the rubber grips through it, which GearLab found held even with a puddle underneath a hand in a hot class. In practice you towel the surface between rounds. For very heavy sweaters that is the tidier arrangement; nothing ends up living inside the mat, and cleaning never goes beyond a wipe.

The Harmony is 68″ × 24″. The B Mat Strong is 71″ × 26″, so 3 inches longer and 2 inches wider. The width is what you feel: 26 inches gives you room in wide-legged poses and stops your hands landing on the floor when they go outside your shoulders.

Jade does make longer versions. The Harmony 74 adds 6 inches of length at the same 24 inch width, and the Harmony XW goes to 80 by 28 inches if you want more of both. b, halfmoon answers with an 85 inch long version of the Strong at $154.

Jade builds the Harmony at 3/16 of an inch, which is about 4.8 mm, even though retailers round it up to 5. The B Mat Strong is a full 6 mm and is the thickest rubber mat b, halfmoon makes in this line.

The gap shows up in kneeling poses, low lunges and anything that puts bone on floor. If your knees complain on thin mats or you practice on concrete or tile, the Strong is the more comfortable mat and that alone can justify the price. For standing work the Harmony feels closer to the ground, which some people prefer, and at 4.8 pounds it is marginally lighter to carry than the Strong’s 5.

Neither mat is a decade purchase, and both brands say so in their own way. Jade covers the Harmony for one year and excludes sun damage and harsh cleaners. b, halfmoon covers the B Mat for one year, says its mats are designed to support your practice for two or more years when stored properly, and specifically excludes normal wear such as the marks that appear where your hands and feet land.

GearLab found the same limit on the B Mat from the other side, noting owner reports of the top layer peeling in high-contact spots and water staining during its test period, and rating the mat 6 out of 10 on materials. Open-cell rubber like the Harmony’s takes its own beating from absorbed sweat. Rubber grips because it is soft, and soft wears. If you want ten years out of a mat, you are looking at a Manduka PRO and a break-in period instead.

The Harmony absorbs, so it needs cleaning on a schedule rather than when it looks dirty, and Jade warns that harsh cleaners will void the warranty and damage the rubber. The B Mat only needs a surface wipe with water and neutral soap, but the tacky finish collects hair, dirt and lint from any floor it meets, and GearLab suggests storing it in a bag rather than tossing it in a trunk.

Both need to stay out of the sun, which degrades natural rubber faster than anything else you will do to it. b, halfmoon adds two specifics: roll the mat with the logo facing out to prevent creasing and peeling, and leave it sealed in its packaging until you are ready to use it so the rubber does not start oxidizing early.

Jade makes the Harmony in the USA and plants a tree for every mat sold, more than two million so far. That is a program rather than a certification, and Jade holds no third-party certification on this mat, but it is a real thing the company does and it is easy to verify.

b, halfmoon makes the B Mat in Spain and holds OEKO-TEX Standard 100 certification, which tests the finished product for harmful substances. The mat is PVC-free, and the company is a certified B Corp. Both mats are rubber and both are biodegradable in a way PVC mats are not. Neither claim should decide this on its own; they are two different ways of showing your work.

Jade now sells a Harmony 2.0 alongside the original, and they are not the same mat. The 2.0 is made in Spain rather than the USA, carries FSC and OEKO-TEX certifications the original does not, and is the version that won OutdoorGearLab’s eco-friendly grip award in its 2026 test. This page covers the original $99.95 Harmony.

The B Mat has a smaller version of the same problem. b, halfmoon traded as B Yoga until recently, so plenty of reviews and listings still carry the old name, and some of them describe the mat as discontinued when it is not. Buy from the brand’s own site and you will get the current product.

The Harmony lists at $99.95 and turns up on Amazon as well as jadeyoga.com. The B Mat Strong is $144 direct from b, halfmoon, which is also what keeps its warranty valid, since third-party listings for these are unreliable.

Both mats are on similar replacement cycles, so the gap is not buying you extra years. It is buying a bigger, thicker mat today. That is a fair deal if you need the size and a waste if you do not.

Buy the Jade Harmony if 68 by 24 inches fits you. You get the same day-one grip for about $44 less, a mat made in the USA, a tree planted, and 12 colorways to pick from. Expect to clean it more often than you would like, and keep it out of the sun.

Buy the B Mat Strong if you are tall, broad, or hard on your knees. Three more inches of length, 2 more of width and 1.2 more millimeters of rubber is a real upgrade in comfort, and sweat staying on the surface is easier to manage than sweat going into the mat. If you want that surface in a thinner, cheaper form, the B Mat Everyday is the 4 mm version at $118.