The MyFitnessGaine slimming sheath allows you to get an instant flat stomach while sculpting your silhouette over the long term. We offer a complete range of slimming solutions tailored to all your needs:
- Invisible sheaths under your clothes for an immediate effect
- A waist circumference of up to -8 cm with a regular port
- Postural support that improves your daily well-being
- A community of over 20,000 satisfied users
Let us discover together why our slimming sheaths have become the reference to regain self-confidence and sculpt its silhouette naturally.
Why choose MyFitnessGaine?
We developed MyFitnessGaine after accompanying hundreds of women in their quest for a flatter belly. Our approach combines immediate efficiency with lasting results thanks to high-end materials and ergonomic design designed for your comfort.
Our sheaths are distinguished by their instant sculpting effect: from the first use you observe a refined silhouette and a visibly flat belly. This immediate transformation boosts your confidence in you, an essential element in your slimming journey.
The sweating effect generated by our sheaths accelerates the elimination of toxins and promotes localized fat loss. Combined with regular physical activity, this process optimizes your results and helps to sculpt your size sustainably.
Our quality commitment translates into a manufacture with breathable and flexible materials, allowing long wear without discomfort. You can wear your sheath all day, whether it's a sports session, a working day or a special evening.
How do our slimming ducts work?
The principle of our sheaths is controlled compression which acts simultaneously on several aspects of your silhouette. This compression stimulates blood circulation, promotes the elimination of toxins through sweating and keeps your tissues in an optimal position.
The thermal effect created by sheath increases body temperature locally, thus accelerating fat metabolism. This targeted action allows to work specifically on the abdominal area, often difficult to refine by exercise alone.
Our sheaths also offer remarkable postural support. They keep your back in a correct position, reducing lumbar tension and improving your head port. This postural correction contributes to the appearance of a flatter belly by naturally redistributing body weight.
The graduated compression of our products adapts to feminine curves for optimal maintenance without a garrot effect. This technology allows a homogeneous distribution of pressure, avoiding unpleasant marks while maximizing efficiency.
Our most popular products
Our classic sheath remains the flagship product of our range, appreciated for its versatility and efficiency. Available from 19,90 € at 49,90 €, it is ideal for both beginners and experienced users.
The sheathing body represents our most complete solution, sculpting both belly, waist and bust. At 89,90 €, it is a sustainable investment for a global transformation of your silhouette.
Our winning short particularly seduces athletes. It combines the slimming action of the sheath with the comfort of a sports short, allowing use during your workouts to optimize the results.
The postpartum sheath deserves special mention. Specially designed to accompany young mothers in their recovery, it offers support tailored to the specific needs of post-gravity while respecting the sensitivity of this period.
Classic Gaine, shorty or thong: what to choose from?
The choice of your sheath depends on your goals, morphology and lifestyle. We guide you to find the perfect model according to your specific needs.
The classic sheath is suitable for all morphologies and remains discreet under all types of clothing. It offers balanced compression throughout the abdominal area and is the ideal choice to start.
The sheathing shorty is intended for women who also wish to sculpt their hips and thighs. It is particularly suitable for pear-shaped morphologies and offers a stronger support for sports activities.
The thong sheath favours absolute discretion under tight clothes. Without visible seams and with a high cut, it remains totally invisible even under an adjusted dress or slim pants.
| Type of liner | Area of action | Prices | Ideal for |
| Classic | Fit and size | 19,90€ – 49,90€ | Beginners, daily port |
| Shorty | Suit, waist, hips | 39,90€ – 69,90€ | Sport, pear morphology |
| String | Belly, maximum discretion | 29,90€ – 59,90€ | Weaving garments |
| Body | Full Silhouette | 89,90€ | Overall transformation |
MyFitnessGaine user reviews and results
Our community of over 20,000 users regularly shares its experiences and results. These authentic testimonials reflect the effectiveness of our products and guide new users in their choice.
Sarah confides: "Magnificent sheath that really refines. I've been wearing the classic sheath for 3 months and I've lost 6 cm of waist circumference." This type of result illustrates the effectiveness of our products when used regularly.
Marie, young mom, testifies: "Hyper comfortable and effective for my post-partum recovery. The sheath helps to regain confidence in me while supporting my back tired by breastfeeding."
The most common results reported by our users include a reduction in the waist circumference from 3 to 8 cm after 6 weeks of regular use, a noticeable improvement in posture and a decrease in back pain.
Our responsive customer service accompanies each user in their journey. We adapt our tips to your personal situation to optimize your results and user comfort.
Delivery, trade and guarantees
We facilitate your shopping experience with a free relay point delivery and a reception time of 3 to 5 working days. Your order placed on a Monday will usually be available on the following Friday.
Our free exchange policy allows you to test your sheath calmly. If the size doesn't fit perfectly, we exchange your product within 30 days at no extra cost.
We offer a personalized tracking of your order with a tracking number communicated upon dispatch. Our team remains available to answer all your questions before, during and after your purchase.
Payments are made in a totally secure way on our platform. We accept all credit cards and offer payment in several times for orders over 100 €.
Our commitments to your well-being
Your satisfaction guides every decision we make. We are committed to supporting you in your transformation with quality products and an irreproachable service.
Our discount code "SUMMER30" offers you -30% on your first order, while "HELLO10" gives you -10% to discover our products. These offers make our sheaths accessible to all stock exchanges.
Nous privilégions une approche bienveillante du changement corporel. Nos gaines ne sont pas des solutions miracle mais des outils pour vous accompagner vers plus de confiance en vous et de bien-être au quotidien.
Notre blog vous propose des conseils personnalisés pour choisir votre gaine, l’utiliser efficacement et l’intégrer dans une démarche globale d’amélioration de votre forme physique. Nous croyons fermement qu’une approche complète maximise vos résultats et votre épanouissement personnel.
