Women's SmoothFit Bikini Brief - Navy - Bamboo Underwear - Model:Emily
Women's SmoothFit Bikini Brief - Navy - Bamboo Underwear - Model:Emily
Women's SmoothFit Bikini Brief - Navy - Bamboo Underwear - Model:Emily
Women's SmoothFit Bikini Brief - Navy - Bamboo Underwear - Model:Emily

SmoothFit Bikini Brief

$25/pair $100 for 4 pairs

Moderate coverage, seamfree and buttery soft.

4.7 (688)

Size

Colour Navy

1
  • Free shipping
  • 30-day First Pair Guarantee
  • Moderate coverage seamfree and buttery soft
  • 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 Bikini Brief - Navy is designed to give 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.

 

Fit & Fabric
Moderate coverage with balanced comfort. The seamfree design ensures a smooth, invisible fit under any clothing. Fabric: 79% bamboo viscose, 15% polyamide, 6% spandex blend. Buttery soft texture with flexibility.
Shipping

We aim to dispatch your order 1-2 business days after placing your order.

Free shipping, no minimum spend.

NSW, VIC & QLD: approx. 1-3 business days after dispatch. WA, NT, TAS: approx. 2-4 business days after dispatch.

Returns & Guarantee

We are so confident you'll love your Step Ones, we'll give you a full refund on your first pair if you don't like them for whatever reason, within 30 days.

Unworn items in original packaging can be returned or exchanged within 30 days of delivery.

Comfort Reimagined

Underwear so comfortable, you'll forget you're wearing it.

  1. Seamless Design

    Our SmoothFit™ technology provides a completely seamless finish, meaning no visible lines and no digging in.

  2. All Day Comfort

    Designed for everyday wear, providing a soft touch against your skin while staying perfectly in place.

  3. Hypoallergenic

    Naturally hypoallergenic bamboo viscose is gentle on sensitive skin and prevents irritation.

26M+ Pairs Sold

583 5-Star Reviews

2M+ Happy Customers

Real Results from Real Customers

What customers say about Step One.

Rated 4.7 out of 54.7 from 688 reviews of this product

Which Step Ones are right for me?

All in soft, breathable bamboo viscose. Pick the coverage that suits you.

Best seller

SmoothFit Thong

Minimal coverageFrom $25

No visible panty lines.

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SmoothFit Bikini Brief

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SmoothFit Bikini Brief

Moderate coverageFrom $25

Seamfree and buttery soft.

Classic Bikini Brief

Moderate coverageFrom $25

Fun prints, sizes up to 5XL.

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SmoothFit Full Brief

Full coverageFrom $29

Seamless waistband, gentle on sensitive skin.

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SmoothFit Boyleg

Extended coverageFrom $29

High waist, no ride-up.

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Body Shorts

Extended leg coverageFrom $25

Anti-chafe panels, no ride-up. XS–4XL.

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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.

Shop Step OneLearn more

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.

Are they hypoallergenic?

Yes! Bamboo viscose is naturally hypoallergenic and gentle on sensitive skin, making it perfect for all-day wear without irritation.

How does the First Pair Guarantee work?

We are so confident you'll love your first pair of Step One underwear that if you don't, you can keep them and we'll give you a full refund. No questions asked. This applies to your first single pair purchase.

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.