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UltraMaxFit™ | Slimming Underwear | 5+5 FREE
UltraMaxFit™ | Slimming Underwear | 5+5 FREE
Free Worldwide Shipping
Easy Returns Within 30 Days
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UltraMaxFit™ | Slimming Underwear | 5+5 FREE
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Great quality and super comfortable, very happy with my purchase.
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I've already placed five orders with Guilly and haven't been disappointed once! Fast delivery and excellent customer service.
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Really impressed with the product and the smooth ordering process.
SPECIFICATION
SPECIFICATION
Material: Nylon and spandex
Crotch: 100% Cotton
Waist Type: High Waist
Color: Light Blue, Gray, Skin, Red, Black
Function: Seamless, Antibacterial, Hip Lift, Slimming,
Package Content: UltraMaxFit™ 5+5 or 10 +10 FREE
SHIPPING INFORMATION
SHIPPING INFORMATION
Customer satisfaction is our top priority. That's why you'll always be kept informed about your order, and we always ensure free shipping!
14 DAY EASY RETURNS
14 DAY EASY RETURNS
We offer a 14-day returns policy if you're not satisfied with your order for any reason. For more information, see our Returns Policy
Refine your curves and visibly reduce belly fat – Perfect for Plus Size Women!
As a plus size woman, you deserve underwear that is not only comfortable, but also supports your curves in the most beautiful way. The UltraMaxFit™ is specially designed for plus-size women who want to refine their silhouette without compromising on comfort.
Comfortable Shaping Underwear With Ultimate Support and Style
Waist Shaping
Visibly slims the waistline and smooths belly fat.
Back Support
Provides powerful back support that improves posture
100% Cotton Crotch
Visibly slims the waistline and smooths belly fat.
Sustainable Fabric
Made with durable, high-quality fabric
Confident in every outfit
Imagine how it feels to put on your favorite outfit and see how perfectly it fits your body. No more insecurity about tummies or folds—UltraMaxFit™ accentuates your curves and creates a smooth, refined silhouette.
Real Shaping. Real Confidence.
Feel slimmer and confident from morning to night.
Why Women Love UltraMaxFit™ ? 🧐
95%
Specially designed for plus size women: The high waistband is designed to perfectly adapt to your curves, visibly slimming your stomach and waist and making you feel confident in any outfit.
100%
Breathable comfort all day long: The soft, stretchy fabric offers long lasting comfort and lets your skin breathe, ideal for long days and warm temperatures.
93%
Support for your back and posture: Targeted compression supports your lower back and improves your posture, so you not only look slimmer but also feel stronger.
Chosen by 16,000+ women — loved for all day support.
1 days ago
Perfect Match
This product surpassed all my expectations! The quality is outstanding, and it’s exactly what I needed. I couldn’t ask for more—absolutely perfect!
Olivia Smith
2 days ago
Fast Process
The process was so simple and efficient. My order arrived faster than I anticipated, and the product is fantastic. A hassle-free and enjoyable experience!
Ava Brown
5 days ago
Quick Delivery
I was amazed by how quickly my order arrived! The product itself is flawless and just as described. Couldn’t be happier with the service and quality.
Sophia Miller
2 days ago
Outstanding Quality
From start to finish, the experience was fantastic. The product quality is superb, and the attention to detail is impressive. Will definitely shop here again!
Amelia Wilson
Your Questions, Our Promise.
How do I choose the right size?
How do I choose the right size?
We recommend checking the size chart on the product page before ordering. If you’re between two sizes, we suggest selecting the larger size for the best fit.
Can I wash and reuse Guilly panties?
Can I wash and reuse Guilly panties?
Yes, Guilly shapewear is reusable. Rinse after use and machine wash on a gentle cycle (below 40°C), separately to keep colors vibrant. Avoid fabric softeners, bleach, and dryers to maintain lasting performance.
Does UltraMaxFit™ focus more on slimming or on comfort?
Does UltraMaxFit™ focus more on slimming or on comfort?
UltraMaxFit™ is designed to provide both. The shaping technology flattens the tummy and refines the waistline, while the seamless design and cotton crotch ensure all-day comfort. You don’t have to choose between looking slimmer and feeling good — with UltraMaxFit™, you get both.
What should I do if I have an issue with my order or product?
What should I do if I have an issue with my order or product?
If you experience any issue, our team is here to help. Simply email us at info@guillyunderwear.com
, and we’ll get back to you within 24 hours.