Slimtum® - Aero2 Waist Trainer
The Slimtum® Aero2 is the most comfortable waist trainer made to date. Aero2 gives you breathable all-day comfort utilizing sweat-wicking materials, a smooth comfort interior, super-flex steel bones and a stretchable comfort contour. Favoured by the world's top competitive aesthetics athletes, Aero2 is the world's most comfortable waist trainer.
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Slimtum® - Aero2 Waist Trainer
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FAQ’s
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Key Features
Uncompromising comfort meets style and performance - The Slimtum® Aero 2™ is the most comfortable waist trainer ever made. Years of commitment and development went into our special design and materials. A favorite of Jennifer Dorie (Miss Bikini Olympia ’21), Etila Santiago (Top 3 Bikini Olympia 2020) & Bábi Nery (Pro Champ & Wellness Olympian) – the breathable Aero 2 is so comfortable and form hugging it feels like a second skin!
The Aero is 9.5” in height for the perfect balance of comfort and coverage.
Product Details
Superior Shaping Performance
We custom manufacture the Slimtum® Original for one basic purpose: Superior waist shaping. Every bespoke component is optimized for this goal. Our Supercore™ material is the result of years of experience and development in composite materials for waist training. This proprietary material forms the main shell of our Original waist trainer and provides elasticity, stretch %, tension, hardness/softness and figure conforming properties that make it ideal for waist training. The cut of the Original is aggressive and provides the optimal balance of tight fit and comfort. External shaping bands add to the shaping power over the critical ‘love handle’ and lower belly areas, while the full coverage makes sure the waist trainer contacts and shapes the whole midsection.
Surprising Comfort
There’s no point having an aggressive waist trainer if you can’t wear it for long hours. When designing our Original model, we took great care to ensure the garment is as comfortable as possible. For comfort, we use our special stretchy binding to ensure it doesn’t pinch your skin, a custom smooth liner to reduce friction while wearing, our proprietary Superflex™ boning that conforms to your body while supporting the garment shape, a subtle comfort contour on the under bust edge and our proprietary Supercore™ material.
Ultimate Durability
The Supercore™ material used on our Original waist trainer is extremely durable. The synthetic parts of the composite are sweat resistant and the entire composite can tolerate thousands of stretch-return elastic deformations before showing signs of wear. Our proprietary Superflex™ boning has a very high degree of kink resistance, so the garment retains its shape even after scrunching and other abuse. Careful construction techniques ensure key points of failure have been reinforced with the appropriate stich methods and materials.
Expert Waist Training Shape
The Slimtum® Original features an aggressive, yet comfortable shape that our lead designer has created from years of experience in waist training. The cut is balanced together with the external shaping bands and the specific stretch properties of our Supercore™ composite shell to provide a superior shape. This is the same shape worn by the top fitness and aesthetic athletes in the world.
Subtle High-End Styling
Rich blacks, figure flattering lines, subtle accenting and logo marking make the Slimtum® Original a seriously stylish waist trainer. A level of subtlety and care in the treatment of styling elevates the garment into the high-end category. The result is a surprising waist trainer that looks at home whether coupled with your gym set or even your chic, designer items.
Extended Full Coverage
Our Original waist trainer is designed to deliver superior shaping across the whole midsection. This ensures the highest level of shaping performance as well as a perfect presentation from the top to bottom of the waist and abdomen.
Discreet Low Profile
The internal bones on the Slimtum® Original make for a stiffer shaper, but also allow us to present a perfectly smooth exterior. Coupled with our tough but thin Supercore™ composite, our Original fits flatteringly under most external garments.
Sizing
We use single measurement sizing for our waist trainers – measured around your small of waist.
To find your size, wrap a measuring tape around your small of waist (as shown in the image). Look up your small of waist measurement in the SMALL OF WAIST column in the chart. Find the range your measurement fits in. Your Aero 2™ waist trainer size is in the SIZE column to the left of the appropriate range.
NOTE – WE HAVE SIZED OUR WAIST TRAINERS ACCURATELY to work for your current small of waist measurement. Please order the size of waist trainer shown as smaller sizes will not fit.
NOTE – OUR EVERYDAY WAIST TRAINERS DO NOT MATCH THE SIZING OF OUR PRO WAIST TRAINERS. Please size your Aero 2™ separately to your PRO.
Care Guide
Want to put your waist trainer in the washing machine? No problem with the Aero 2™! Simply put your waist trainer in a washing bag and include it in a gentle, cold wash cycle. We designed this trainer to be wash and wear ready, with low water absorbent materials and gentle machine washable construction. We recommend air dry only for our Aero 2™ waist trainer.
Shipping & Returns
We’re happy to announce that we provide local* size exchanges in EVERY MARKET we sell in!
Please note however, Slimtum® covers exchange shipping and handling back to you for one waist trainer per order only. For additional exchanges beyond the first, Slimtum® will process an exchange for a fee per item. Slimtum® does not provide return shipping back to us on exchanges, so please measure carefully. Please refer to our exchanges page for further information.
For our delivery, order processing, privacy policy, terms and conditions, please refer to the links in our page footer.
FAQs
What’s the difference between Slimtum Aero, Pro and Original?
Aero is lighter, shorter, and more breathable, designed primarily for comfortable everyday wear and waist shaping.
Pro provides stronger support and is designed specifically for heavy training, weightlifting, and demanding workouts.
Original offers stronger compression for everyday waist training, featuring external V-Tape for additional compression, a longer profile for more coverage, and a non-breathable construction for a firmer, tighter feel.
Many customers combine them: Aero or Original for everyday waist training, and Pro for training.
Can I wear Slimtum Aero for training?
Yes, for light to moderate training and cardio. For heavy lifting or demanding gym sessions, we recommend Slimtum Pro for stronger support.
How tight should my Slimtum Aero feel?
It should feel snug and supportive without being uncomfortable. You should be able to breathe normally, move comfortably, and maintain good core control.
Should I size down for more compression? Will it make my waist smaller?
Aero is designed to help shape, define, and maintain a smaller-looking waist through consistent wear. Its targeted compression supports your waist-training routine throughout the day, making it the perfect choice for those working towards a more sculpted hourglass silhouette. Your overall results will also depend on your training, nutrition, body composition, and lifestyle.
Consider sizing down once you can comfortably wear your Aero on the tightest row for around 4 weeks, consistently wearing it 5–6 days per week for 6–8 hours a day. At this point, check our size chart again to see if you’re ready for the next size.
When should I wear Slimtum Aero?
Aero was specifically developed for comfortable everyday wear, provided it feels comfortable and does not restrict your breathing or movement.
How long should I wear Slimtum Aero?
Aero is designed for longer, everyday wear. Start with a comfortable amount of time and gradually increase your wear time as your body adjusts.
How do I wash my Slimtum Aero?
Hand wash in cold water with a mild detergent. Air dry naturally in a well-ventilated, shaded area. Do not machine wash, tumble dry, bleach, or iron.
How do I keep my Slimtum Aero in good condition?
After training, allow it to air out completely before storing. Hand wash when needed and avoid high heat, machine washing, or excessive twisting.