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SmoothFit Thong
No visible panty lines.
SmoothFit Thong
$15/pair
Size
Color Ash Brown
1
- Free shipping
- 30-day First Pair Guarantee
- Minimal coverage no visible panty lines
- SmoothFit™ seamfree finish no visible lines, no digging in
- Organically grown bamboo viscose soft, breathable and moisture-wicking
- 30-day First Pair Guarantee love them or they're free
Description
Say hello to your new second skin. Our Women's SmoothFit Thong - Ash Brown is designed to disappear under your outfit while giving you that barely-there, all-day comfort. Made from our signature bamboo viscose, these undies are soft, breathable, and oh-so-gentle on your skin.
With a range of nude tones to match your vibe, you’ll find the perfect shade to blend, complement, or simply keep things sleek and seamless. No lines, no fuss—just pure, effortless comfort.
Ready to go nude?
Fit & Fabric
Minimal coverage with a cheeky, freeing feel. Our SmoothFit Thong features a seamfree construction for irritation-free wear throughout the day.
Fabric: 79% bamboo viscose, 15% polyamide, 6% spandex blend. Hypoallergenic and moisture-wicking.
Shipping
We aim to ship your order 1-2 business days after you place it.
Free shipping, no minimum spend.
Estimated delivery once shipped: Western USA about 2-4 days, Central USA about 3-5 days, Eastern USA about 4-6 days, Alaska and Hawaii about 5-8 days.
30-day First Pair Guarantee
We're so confident you'll love your Step Ones that if you don't like your first pair for whatever reason, we'll give you a full refund within 30 days.
Size chart
On a line or between sizes? Size up. Tap a row to select that size.
Comfort Reimagined
Underwear so comfortable, you'll forget you're wearing it.
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Seamless Design
Our SmoothFit™ technology provides a completely seamless finish, meaning no visible lines and no digging in.
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All Day Comfort
Designed for everyday wear, providing a soft touch against your skin while staying perfectly in place.
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Breathable
Soft, breathable bamboo viscose wicks away moisture to keep you cool and dry.
26M+ Pairs Sold
4.5 TrustScore
2M+ Happy Customers
Real Results from Real Customers
What customers say about Step One.
4.8 from 578 reviews of this product
Which Step Ones are right for me?
All in soft, breathable bamboo viscose. Pick the coverage that suits you.
30-day First Pair Guarantee
Love them or they're free. If you don't love your first pair, we'll give you a full refund.
Frequently Asked Questions
What are Step One Womens underwear made of?
They are made from high-quality, organically grown Bamboo Viscose. This material is incredibly soft, breathable, and moisture-wicking, keeping you cool and dry all day long.
How does the Seamless Design work?
Our SmoothFit™ technology ensures a seamless finish that doesn't dig in or leave visible lines under clothing. It's designed to stay in place while providing ultimate comfort.
How does the First Pair Guarantee work?
We're so confident you'll love your first pair of Step One underwear that if you don't, we'll give you a full refund on it, for whatever reason, within 30 days.
How should I wash them?
Machine wash cold with like colors. Tumble dry low or line dry in the shade. Do not bleach, iron, or dry clean to maintain the quality of the bamboo fabric.