Undie-tectable Shaping Thong
Spanx
$28.00
📦 Shipping Information:
Free U.S. standard shipping on eligible Saks orders over $300 with code FREESHIP. Sold and fulfilled by Saks Fifth Avenue, with final pricing, availability, and delivery details confirmed at checkout. 
Product Insights & Style Tips
Underpinnings with a confident, sleek energy: the Undie-tectable Shaping Thong from Spanx is all about a smooth base. The high waist smooths the tummy while staying discreet under clingy silhouettes. Elastic-free edges kiss the skin for a true no-panty-line look, and a cotton gusset keeps it breathable and fresh. The blend of nylon, spandex, and elastane gives a clean, sculpted lay under everything from bodycon to denim.
Fit and wearability: the high waist stays in place without digging, and the thong silhouette keeps hips uninterrupted by lines. The cotton gusset adds everyday comfort, while the stretch fibers move with you through day-to-night transitions. Layer under fitted trousers, slip dresses, or a ribbed knit for a sleek, second-skin base that remains invisible under even the most form-hugging fabrics.
Spanx has long championed foundation pieces that blend comfort with present-day polish. This shapewear thong anchors a modern lingerie approach that leans into clean lines and versatile wear. Style-wise, pair with high-rise pants or a satin slip to let the Undie-tectable keep the look smooth without drawing attention, a quiet nod to the season's obsession with seamless silhouettes.
Materials / Fabrication
- Slimming high waist design with elastic-free edges for a no panty line promise
- Hi-waist design with tummy smoothing
- Elastic-free edges
- Cotton gusset
- Nylon/spandex/elastane
- Imported
- Color: Black
- Size: XL
Recommended Care
- Machine wash cold with like colors
- Do not bleach
- Tumble dry low or lay flat to dry
- Avoid high heat to preserve elasticity
Fit Notes
- Hi-waist design provides tummy smoothing and a smooth midsection silhouette.
- Elastic-free edges help prevent visible panty lines for a clean finish.
- Cotton gusset adds softness at the contact point, with nylon, spandex, and elastane for shaping.
- Designed as a high waist shaping thong with a cotton gusset and stretch blend for everyday wear under outfits.