Muay Thai Glove Sizes Explained

10oz, 12oz, 14oz, and 16oz — what each one is actually for.

Muay Thai gloves come in four main sizes: 10oz, 12oz, 14oz, and 16oz. Each one is built for a different purpose. Get the right size and your gear works with you. Get it wrong and you'll either replace it early or train with something that's holding you back.

Why Muay Thai Gloves, Not Boxing Gloves

Boxing gloves and Muay Thai gloves share the same oz sizing system but they are built differently. Boxing gloves have a tighter, more closed palm construction designed specifically for punching with a closed fist. Muay Thai gloves have a more open palm that allows you to clinch, grab, and control — movements that are fundamental to the sport.

In traditional Muay Thai the clinch is not a reset. It's an attacking position. Elbows, knees, and sweeps all come from the clinch, and your gloves need to allow that. In MMA the open palm matters even more because you're transitioning between striking and grappling in the same round.

If you're training Muay Thai or MMA, start with Muay Thai gloves. The palm construction alone makes them the right tool for the job.

10oz Gloves: Competition and Fight Simulation

10oz gloves are built for fight day. Lighter, faster, and designed for the speed and feel of a sanctioned bout. But they have a legitimate place in training too — just not for everyone and not for every session.

Experienced fighters use 10oz in training to simulate fight conditions. The lighter weight changes how the glove moves, how blocks feel, and how combinations flow. When you've been sparring in 16oz for months and then step into a fight in 10oz, the difference in hand speed and feel is noticeable.

The key word is experienced. In 10oz the padding is reduced and the margin for error is smaller.

For beginners, 10oz has no place in the kit yet. The reduced padding, the changed blocking feel, and the increased intensity they tend to produce in sparring are all things to work up to. Get comfortable in 16oz first. 10oz will still be there when you're ready for it.

12oz Gloves: The Pad Work and Volume Training Glove

12oz is where most of your striking sessions will live once you're past the early stages of learning. It's the standard weight for pad work and bag sessions at most gyms because it gives you enough hand protection for sustained volume training while keeping the glove light enough to maintain hand speed over long rounds.

The difference between training in 12oz and 16oz over a full pad session is noticeable in your shoulders by the end of the week. Coaches run their athletes in 12oz for pad sessions specifically because of this — cleaner combinations, better speed, and less shoulder fatigue over time.

12oz is right for you if your sessions focus on pads, bags, and drilling combinations. It is not the sparring glove — 12oz is below the minimum most gyms allow for contact work.

The GOODNYT Muay Thai Boxing Gloves are available in 12oz for exactly this purpose. Built from premium microfibre that runs lighter than traditional leather — fast off the hand and built to hold their shape through long pad sessions.

14oz Gloves: The Middle Ground

14oz sits between the pad work glove and the sparring glove, and that in-between position is both its strength and its limitation.

For heavier athletes, 14oz can work well as a bag and pad glove when 12oz feels too light but 16oz creates too much fatigue over volume sessions. It's also sometimes used for light technical sparring between experienced training partners working at controlled intensity.

The honest reality is that 14oz doesn't fully excel at either job. Most serious athletes land on 12oz and 16oz and find that 14oz doesn't add much to that combination.

14oz is worth considering if you're a heavier athlete (85kg+) who finds 12oz too light but 16oz too heavy for pad sessions. For everyone else — start with 16oz and keep it simple.

16oz Gloves: The Sparring Standard

16oz is the most important glove in your kit. It's the minimum weight required for sparring at virtually every serious gym in the world, and for good reason. The additional padding protects your training partners, and the durability of a properly built 16oz glove means it can handle the volume of contact that regular sparring demands over months and years of training.

For beginners, 16oz is the starting point, full stop. If you're only buying one pair, it's this one.

This is where construction quality shows up more than anywhere else. A cheap 16oz that packs out after sixty sessions is not the same protective tool it was on day one. The GOODNYT 16oz is built from premium microfibre engineered to hold padding integrity over years of sparring. Available in Sand/Smoke, Smoke/Sand, and White/Sand — Thai-crafted, correct Muay Thai cut, and around 2 to 2.5oz lighter than a traditional leather glove of the same rating because the weight lives in the padding, not the shell.

Muay Thai Gloves in MMA Training

For athletes training MMA, the Muay Thai glove is the right choice for all striking-specific sessions. The sizing maps across both sports the same way — 12oz for pad work and bag sessions, 16oz for sparring and contact work.

Once grappling and full MMA sparring begins, you'll also want a dedicated 7oz MMA glove for those sessions. But the 16oz Muay Thai glove handles the striking side.

Never use boxing gloves as a substitute for Muay Thai gloves in striking sessions. As soon as clinch work or grappling transitions enter the session, the restricted palm becomes a technical limitation.

The Setup Most Athletes End Up With

After enough time training, most Muay Thai and MMA athletes settle into the same two-glove setup.

A pair of 12oz for pad work, bag sessions, and volume drilling. Lighter, faster, less shoulder fatigue over long rounds.

A pair of 16oz for sparring and all contact work. More padding, partner protection, durable enough for the demands of regular sparring.

If you're just starting out, buy the 16oz first and use it for everything. Add the 12oz when your training volume increases and you start to feel the weight difference over long sessions. That's the most common path and it's the right one for most people.

Browse the full glove range at goodnyt.com.au →

Thai crafted. Built different.