⭐ New Arrival | 💖 Staff Favorite
🚚 Ships Next Business Day
Meet your new go-to seamless thong. The SPANXsmooth™ Fit-To-You Thong 3-Pack is designed for mid-size and plus-size women who want invisible comfort without compromise. Made from innovative 400% stretch fabric, these thongs adapt to your shape for a truly custom, second-skin fit.
Featuring a seamless, elastic-free waistband, barely-there smoothing, and breathable performance fabric, this is the no-show essential you’ll reach for daily. From jeans to bodycon dresses, these disappear under everything.
Why You’ll Love It
- Custom-fit stretch: 400% stretch fabric molds to your body — not the other way around
- Smooth, not squeeze: Light compression smooths without shaping or restricting
- No-dig waistband: Elastic-free design prevents rolling, pinching, or irritation
- Totally invisible: Seamless construction eliminates visible panty lines
- Everyday comfort: Breathable, quick-drying fabric with cotton gusset
Fit & Feel
- Fit: True to size
- Recommendation: Size up if between sizes for the most relaxed feel
- Coverage: Thong
- Silhouette: Seamless, second-skin
- Feel: Silky-smooth, lightweight, breathable
- Stretch Level: High (400% stretch)
💬 Buyers say these feel like you’re wearing nothing — but better.
Fabric & Care
- Fabric (Body): 77% Nylon, 23% Elastane
- Gusset: 100% Cotton
Care Instructions:
- Machine wash warm, gentle cycle
- Do not use fabric softener
- Only non-chlorine bleach when needed
- Tumble dry low
- Do not iron or dry clean
Color Pack Includes
- Rose Quartz
- SPANX Red
- Blackberry
Styling Ideas
- Wear under fitted dresses for a smooth, no-line finish
- Perfect beneath leggings and denim
- Ideal for workwear, special occasions, and everyday outfits
- Your invisible base layer from day → night
Why Shop Love Marlow
✔️ Easy Returns & Exchanges
✔️ Ships Next Business Day
✔️ Locally Owned + Size-Inclusive Friendly
✔️ Free Shipping on Orders $150+
Size Chart | Measurements
| Size |
Alpha Size |
Waist |
Hips |
| One Size |
XS-XL |
24.5"-39" |
32"-45.5" |
| One Size Plus |
1X-3X |
39.5-48 |
46-56 |
We understand that every body is unique, so we’ve provided garment measurements above to help you find your best fit. Please note that measurements are taken from a single piece, and even items in the same size may vary slightly.
Need extra help? Connect with us via chat! We love helping you find styles that fit and flatter at Love Marlow — your Sioux Falls, SD mid-size and plus-size boutique.