What Waist

Define Vest Duo

20 reviews

The Define Vest Duo is designed with SweatTech™ technology to target your midsection, back, and under your arms. The Velcro compression straps provide an additional level of compression and can be adjusted as your waist size reduces or removed if preferred.  

  • Latex and cotton composition   
  • SweatTech™ technology   
  • Two removable velcro compression straps   
  • Zipper fastening   
  • Sweat-wicking   
  • Back support   



    Features our specially designed, sweat-wicking latex exterior, cotton interior, a zipper-fastener, and a velcro compression strap that adjusts as your waistline reduces. 

    Inside: 96% Cotton,  4% Spandex    Outside: 100% Latex 

    Product Care 

    To maintain the quality and strength of the materials, we recommend hand washing this item with mild soap in warm water. Air dry garment by hanging or lay flat to dry. Do not bleach, do not iron. 

    Find Your Fit 

    Available in sizes XS-8XL. Use our size quiz above, which has a 98% accuracy rating, to find your perfect fit. If you still have questions about your size, please read our Size Guide. 

    Compression Level

    High Compression 


    How it Works 

    Proven to get faster results during workouts with our science-backed, SweatTech™ technology which: boosts sweat production and provides support and compression while increasing intensity. 

    Customer Reviews
    5.0 Based on 20 Reviews
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    Sherry H.
    United States United States


    The quality of the vest is very comfortable and easy to put on. The fit is not real tight where you can't breathe, I love it!

    Delphi G.
    United States United States

    Define Duo Band

    I love my define duo. It holds me in well while lifting my girls up and reduces my back fat at the same time. ✅✅✅

    What Waist Define Vest Duo Review
    Kathleen M.
    United States United States

    Enjoying my what's waist

    Only used it twice since I got it, busy working, but looking forward to getting into some good work out with it.

    Jamice J.
    United States United States

    Love this!

    So I wear a size ten. My whole life I’ve been little weighing about 120 size 3 pants. Kind of an athletic build not a lot of hips. After my 2nd baby. I gained like 70 lbs no joke. Out of pregnancy I was at 165. Eventually got down to I don’t know 140. Then during these last 2 years I’ve gained it all back and more my weight doesn’t go to my but just my mid section then up to the arms my chest and face. I’m tired of it. I bought something similar from a different company got the wrong size and they wouldn’t do returns. Ridiculous. I found what waist and was happy that they would accept returns if I got the wrong size. I used their size chart and measure my self. Based on the chart I got an XL. When it arrived I tried it on and it was a perfect size off the jump. So I’d say follow the charts. I’ve worn it everyday for going on this would be my 3rd week. I took a break from it while it was that time of the month for me just because it does fit pretty tight. Washing it every two days works for me it air dries quickly. I wear it while I’m at work. And a little while maybe an hour at home if I. Feeling up to it. Yes it does make me sweat under there and my mid section was s shrinking! I love the double straps. I could imagine a 3rd one would be great. I love this product and highly recommend it.

    Shireon G.
    United States United States

    Define vest duo

    I love my vest duo!!! This product is amazing

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