How to Choose Muay Thai Shorts: The Complete Guide

Not just another piece of fight wear!

Muay Thai shorts aren’t just a piece of training gear, they’re the quintessential item every fighter needs. But finding the right fit, size, and style can be surprisingly tricky. Whether you’re shopping for your first pair or upgrading to something better, here’s everything you need to know to pick the perfect Muay Thai shorts.

Step 1: Decide How You’ll Buy Them

If you’re buying in-store, you can try them on before committing. Easy.
But if you’re shopping online, you’ll need to pay extra attention… Because Muay Thai short sizing is VERY different from regular clothing.

Step 2: Understand Thai Sizing

When you look at a size chart, you’ll notice something strange: the numbers are going to seem way off compared to your typical size.
This is because traditional Thai sizing runs two to three sizes smaller than Western sizing.

Why? Historically, Muay Thai shorts were mainly made for fighters under around 70kg, so larger sizes weren’t very common until the late 2000s.
Tip: Focus on the waist measurement above all else. Leg openings rarely cause problems, and length is secondary.

Step 3: Use the Size Guide Correctly

  • If you’re between sizes, always choose the larger one.

  • Most waistbands are elasticised, so a slightly loose fit is easier to adjust than one that’s too tight.

  • Keep your receipt in case the shorts don’t match the size guide.

Step 4: Check the Cut Before You Buy

Always look closely at the product photos before thinking of adding to your cart!

You should try to look for the following areas in your next pair:

  1. Angled legs – Shorts that flare slightly at the sides give better range of motion for high kicks.

  2. Side slits – Essential for flexibility, especially since satin (the most common material) doesn’t stretch.

If the shorts are too long, too narrow, and lack side slits, they can easily pinch your quads when you kick.

Step 5: Try Them On and Test the Fit

Once they arrive:

  • Make sure the waistband has a comfortable stretch and doesn’t dig in.

  • Check the length and angle—there should be enough room for knee raises and kicks.

  • If they feel restrictive, you can fold the waistband over once to shorten them (a common trick among Thai fighters).

Bonus Tip: Look for a touch of Customisation!

Some brands offer great customisation options, like adding your name, colours, materials and even your country’s logo.
For example, Siam Kick makes high-quality satin shorts in a wide range of styles and sizes.

Final Thoughts

Buying Muay Thai shorts can feel overwhelming at first, but once you understand Thai sizing and what features to look for, it’s simple.

  • Prioritise finding the correct waist measurement.

  • Look for angled cuts and slits for flexibility & freedom of movement.

  • Don’t be afraid to return the shorts if they’re the wrong size!

Now you’re ready to find the perfect pair and step into training with confidence.

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