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Our Supreme Underboob Trainer in Black is the strongest body sculptor in our range providing the highest level of waist compression. Made from latex, this waist trainer features 25 rows of Flexi steel boning to give an instant waist reduction. This is the ultimate core trainer for the serious waist trainer. Wear at the gym, during work outs, while at work or as your everyday trainer.
A great Core Trainer for those who are serious in training and have a shorter torso.
- Measurements: Length: 24cm ; Width: 69cm (measured from a size small)
- Black colour
- Small make
- Design to feel firm and tight
- Premium quality
- High-tech cotton lining
- High-tech Smooth latex finish
- 25 rows of flexible steel boning
- Triple hook and eye front closure
- Material: Lining: Cotton 96%, Spandex 4% / Core: 100% Latex
Our Short Supreme 25 Flexi Steel Boned in Black is the strongest body sculptor in our range providing the highest level of waist compression. Made from latex, this waist trainer features 25 rows of Flexi steel boning to give an instant waist reduction. This is the ultimate core trainer for the serious waist trainer. Wear at the gym, during work outs, while at work or as your everyday trainer.
A great Core Trainer for those who are serious in training and have a shorter torso.
- Measurements: Length: 22cm ; Width: 68cm (measured from a size small)
- Black colour
- Short in length, great for those with a shorter torso
- Small make
- Design to feel firm and tight
- Premium quality
- High-tech cotton lining
- High-tech Smooth latex finish
- 25 rows of flexible steel boning
- Triple hook and eye front closure
- Material: Lining: Cotton 96%, Spandex 4% / Core: 100% Latex
Our Short Supreme 25 Flexi Steel Boned in Neutral is the strongest body sculptor in our range providing the highest level of waist compression. Made from latex, this waist trainer features 25 rows of Flexi steel boning to give an instant waist reduction. This is the ultimate core trainer for the serious waist trainer. Wear at the gym, during work outs, while at work or as your everyday trainer.
A great Core Trainer for those who are serious in training and have a shorter torso.
- Measurements: Length: 22cm ; Width: 68cm (measured from a size small)
- Neutral colour
- Short in length, great for those with a shorter torso
- Small make
- Design to feel firm and tight
- Premium quality
- High-tech cotton lining
- High-tech Smooth latex finish
- 25 rows of flexible steel boning
- Triple hook and eye front closure
- Material: Lining: Cotton 96%, Spandex 4% / Core: 100% Latex
Shop our Core Trainer Supreme Vest With Adjustable Straps in Black. This firm compression vest is apart of our advanced collection that is designed to feel quite firm and strong yet comfortable. Made from a firm latex and cotton, this style waist trainer is similar to our Supreme 25 Flexi Steel Boned trainer and will help to improve posture and slim down the whole midsection. The addition of straps at the top helps to provide extra support and comfort to your waist trainer while wearing.
- Measurements: Length: 48cm ; Width: 64cm (measured from a size small)
- Black Colour
- Latex
- Small make
- Designed to feel firm and tight
- 25 rods of boning
- Similar fit to Supreme 25 Flexi Steel Boned waist trainer
- High-tech cotton lining
- Adjustable bra straps
- Triple hook and eye front closure
- Model wears size Small (68cm waist measurement)
Our Supreme 25 Flexi Steel Boned Core Trainer in Black is the strongest body sculptor in our range providing the highest level of waist compression. Made from latex, this waist trainer features 25 rows of Flexi steel boning to give an instant waist reduction. This is the ultimate core trainer for the serious waist trainer. Wear at the gym, during work outs, while at work or as your everyday trainer.
- Measurements: Length: 30cm ; Width: 66cm (measured from a size small)
- Black colour
- Material: Lining: Cotton 96%, Spandex 4% / Core: 100% Latex
- Small make
- Design to feel firm and tight
- Premium quality
- High-tech cotton lining
- High-tech Smooth latex finish
- 25 rows of flexible steel boning
- Triple hook and eye front closure
- Available in nude
Our Supreme 25 Flexi Steel Boned Zip Core Trainer in Black is the strongest body sculptor in our range providing the highest level of waist compression. Made from latex, this waist trainer features 25 rows of Flexi steel boning to give an instant waist reduction. This is the ultimate core trainer for the serious waist trainer giving the maximum level of body shaping. Wear at the gym, during work outs, while at work or as your everyday trainer.
- Measurements: Length: 30cm ; Width: 66cm (measured from a size small)
- Black colour
- Material: Lining: Cotton 96%, Spandex 4% / Core: 100% Latex
- Small make
- Design to feel firm and tight
- Premium quality
- High-tech cotton lining
- High-tech Smooth latex finish
- 25 rows of flexible steel boning
- Zip Closure
Our Breathable 25 Steel Boned Short Waist Trainer in Black is the strongest body sculptor in our range providing the highest level of waist compression. Made from breathable latex, this waist trainer features 25 rows of Flexi steel boning to give an instant waist reduction. This is the ultimate core trainer for the serious waist trainer. Wear at the gym, during work outs, while at work or as your everyday trainer.
- Measurements: Length: 66cm ; Width: 21cm (measured from a size XS)
- Black colour
- Breathable latex great for those who perspire
- Small make
- Design to feel firm and tight
- Premium quality
- High-tech cotton lining
- High-tech Smooth latex finish
- 25 rows of flexible steel boning
- Triple hook and eye front closure
- Material: Lining: Cotton 96%, Spandex 4% / Core: 100% Latex
AVAILABLE: MID SEPTEMBER
Our Supreme 25 Flexi Steel Boned Core Trainer in Black is the strongest body sculptor in our range providing the highest level of waist compression. Made from latex, this waist trainer features 25 rows of Flexi steel boning to give an instant waist reduction. This is the ultimate core trainer for the serious waist trainer. Wear at the gym, during work outs, while at work or as your everyday trainer.
- Measurements: Length: 30cm ; Width: 66cm (measured from a size small)
- Black colour
- Material: Lining: Cotton 96%, Spandex 4% / Core: 100% Latex
- Small make
- Design to feel firm and tight
- Premium quality
- High-tech cotton lining
- High-tech Smooth latex finish
- 25 rows of flexible steel boning
- Triple hook and eye front closure
- Available in nude
WHY SHOP WITH US
FAQs
If you’re just starting out, begin with 1–2 hours a day to let your body adjust. Over time, you can gradually increase wear to 6–8 hours daily for best results. It’s important not to wear your waist trainer for 24 hours straight or while sleeping, as your body needs time to rest. Consistency is key — regular use combined with healthy lifestyle choices helps you see results.
Yes, you can! Many people choose to wear their waist trainer during workouts to enhance sweating, improve posture, and support core engagement. However, it’s best suited for low- to moderate-intensity workouts like walking, strength training, or light cardio. For high-intensity exercises that require deep breathing, like HIIT or running, you may prefer removing it for maximum comfort and safety. Always listen to your body — if you feel short of breath or restricted, take it off.
Customers have 30 days to exchange or return items for credit. Please note we do not offer refunds unless an item is faulty.
To be eligible for a return, your item must be unused, unworn condition with original tags and packaging included.
If you need to exchange an item please send us an email at info@coretrainer.com.au
Use our size guide for the most accurate fit. Measure your natural waistline and refer to the charts located at the top banner provided.