Undie-tectable set of two stretch-jersey briefs
SPANX's intimates or sleepwear release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $48, quality lands at 70/100, comfort at 90/100, and sustainability at 60/100 for discerning shoppers.
- Brand · SPANX
- Category · Intimates or Sleepwear
AI scorecard
What matters most for shoppers researching this piece right now.
Craftsmanship, stitching, and long-term durability.
Movement, breathability, and day-long wear.
Environmental impact and responsible sourcing.
Attribute deep dive
We break down what drove each score so you can weigh trade-offs.
Quality Analysis 70/100
These briefs are designed for comfort and a smooth silhouette, featuring stretch-jersey and elastic-free edges. While the cotton lining adds comfort, the primary focus is on invisibility under clothing rather than rugged durability.
Comfort Assessment 90/100
These briefs promise exceptional comfort with their stretch-jersey fabric, ensuring a flexible fit. The cotton lining adds a soft touch against the skin, while elastic-free edges prevent uncomfortable digging and visible lines.
Sustainability Impact 60/100
This set of briefs is made from 78% nylon and 22% spandex, which are conventional fossil-fuel synthetics without any mention of recycled content. The lining is 100% cotton, but without further details, its sustainability impact is unclear.
Measurement breakdown
Measurements across available sizes.
| Size | Waist |
|---|---|
| large | 62 cm |
| x large |
Gallery
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Garment details
Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.
Editors’ Notes: Spanx's 'Undie-tectable' briefs have a wide bonded waistband that smooths and shapes your stomach. Cut from stretch-jersey, this set of two is lined in comfortable cotton and has elastic-free edges so you won't see any lines under fitted dresses and skirts. Shown here with: Calvin Klein Underwear Bra , Ileana Makri Bracelets .
Editors’ Notes: Spanx's 'Undie-tectable' briefs have a wide bonded waistband that smooths and shapes your stomach. Cut from stretch-jersey, this set of two is lined in comfortable cotton and has elastic-free edges so you won't see any lines under fitted dresses and skirts. Shown here with: Calvin Klein Underwear Bra , Ileana Makri Bracelets .
Size & Fit: Fits true to size, take your normal size High-rise briefs with full coverage Model is 177cm/ 5'10" and is wearing a size Medium View size guide
Details & Care: Black and beige stretch-jersey Fully lined Pull on 78% nylon, 22% spandex; lining: 100% cotton Machine wash Designer color: Black/Soft Nude Imported
Delivery & Returns: Find out more about our delivery options . Try items in the comfort of your own home. If they're not quite right, you've got 28 days to request an exchange or return and send them back to us. We'll collect them from your nearest UPS drop off point. Free returns are offered within 14 days of delivery.