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Enhanced calorie burning

Machine washable

FREE DELIVERY

FREE & EASY RETURN
 
 

What Our Customers Say

4.9 / 5
Feeling Confident and Energised!
I absolutely love this sauna shirt! After wearing it during my workouts, I can feel the difference. I sweat so much more, and it really helps me feel more energised. The best part? I feel so much more confident in my own skin. When I wear it, I can tell people notice the effort I’m putting into my fitness. It’s like a secret weapon!
James L.
My New Favourite Workout Gear!
I wasn’t sure at first, but this shirt has completely changed how I feel about working out. I sweat like never before, and my body is definitely showing it. The best part? I feel so much more confident when I wear it. It's boosted my status in the gym, people see me putting in the work, and it feels amazing.
Chris M.
Better Workouts
I was a bit skeptical, but this shirt works wonders. I can feel myself sweating more, and I feel like I’m getting a better workout in less time. The best part? It’s given me a boost in how I feel about myself. When I wear it, I feel stronger, more powerful, and like I’m achieving something great. It really gives me an extra edge in the gym.
Michael T.
Sweat More
This sauna shirt has been fantastic! It fits well, feels comfortable, and causes me to sweat significantly more during my workouts. But the real magic is in how I feel afterwards, confident, accomplished, and proud of my progress. People at the gym are noticing, and it’s nice to feel like I’m one step ahead.
Tom S.
Confidence in Every Drop of Sweat!
I’ve been using this sauna shirt for a month, and I’m already seeing amazing results. The way it makes me sweat more is fantastic, and I love that I feel like I’m really pushing myself in each workout. What’s even better is the confidence it’s giving me. I’m standing taller, and I know people are seeing the difference.
James J.
Effortless Fitness Boost!
Wow! This sauna shirt is incredible. It fits perfectly, and I feel the sweat pouring off me during my workouts. I’m definitely seeing faster results, and the best part is how it makes me feel. I stand taller, feel more confident, and others at the gym have started asking what I’m doing differently. It’s boosted my status in the best way!
David W.
 
 

Why Choose Us?

At UNDERBODY, we’re dedicated to delivering premium fat burner shirts that offer the perfect fit, comfort, and performance. Unlike other brands, our shirts are designed with accurate sizing to ensure a snug, but comfortable fit, no matter your body type. Made from durable, high-quality materials, our sauna shirts are built to last and provide maximum sweat and fat burning results.

With easy returns and responsive customer service, we’re here to make your experience hassle-free. Get the results you want—more sweat, faster progress, and a boost in confidence. Choose us and feel the difference today!

UNDERBODY Others
True-to-Size Fit
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Breathable Fabric
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Flexible Sleeves
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Long-Lasting Use
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Easy to Remove
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Free Return
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Money-Back Guarantee
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60 Day Risk-Free Guarantee

We’re confident you’ll love your new sauna shirt, but if for any reason you're not completely satisfied with your purchase, we offer a 60-Day Risk-Free Guarantee.

Here’s how it works:

  • Try it for 60 Days: Wear your sauna shirt during your workouts or daily activities.
  • No Questions Asked: If you’re not seeing the results you expected or simply don’t love it, just reach out to us.
  • Easy Returns or Exchanges: We’ll provide you with a hassle-free return or exchange—no hidden fees, no fine print.
  • Full Refund: If you decide to return the shirt, we’ll refund your order in full.

    You have nothing to lose and everything to gain—try it today and feel the difference for yourself. We’re here to help you succeed on your fitness journey, risk-free.
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Questions? We've Got You Covered

Care Instructions

Gentle wash on a cold cycle only.
Line dry in the shade. Do not tumble dry.
It is recommended to wash it after each use, particularly after exercising.
Please do not iron this item to avoid damage.


Materials

Outer: 90% Polyester, 10% Spandex.
Inner: 100% Polyurethane
Compression Level: Moderate

To calculate your size, simply scroll up and click on "What's my size?" located near the color selection options.

Our Artificial-Intelligence sizing system calculates your body parameters and matches them with data from customers with similar body types, and their experiences with our sizes. This innovative method ensures a 97% accuracy rate.

 
 

Have More Questions? Contact Us

If you have any additional questions, you can send us an email at support@underbody.co

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