SmoothFit Full Brief

$17/pair $51 for 3 pairs Save $6

Full coverage, gentle on sensitive skin.

Size

Color Espresso-Tini

1
  • Free shipping
  • 30-day First Pair Guarantee
  • Full coverage seamless waistband, gentle on sensitive skin
  • 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
  • Seam Free
  • Buttery Soft
  • Breathable
  • Moisture wicking
  • Bamboo Viscose fabric
  • First pair guarantee

Introducing our new Espresso-Tini Seam SmoothFit Brief Underwear, a vibrant addition to our collection. Soft and breathable, the fabric wicks away moisture, keeping you cool, dry, and confident throughout the day. The seamless waistband offers a snug, irritation-free fit, while the full coverage design provides a secure and supportive feel.

Invest in underwear that not only looks great but also aligns with your values. Our Espresso-Tini SmoothFit Full Brief Underwear embodies our commitment to sustainability, using bamboo, a renewable resource, as a key component.

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.

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. 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.

Rated 4.8 out of 54.8 from 939 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 $17

No visible panty lines.

SmoothFit Bikini Brief

Moderate coverageFrom $17

Seamfree and buttery soft.

SmoothFit Full Brief

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SmoothFit Full Brief

Full coverageFrom $19

Seamless waistband, gentle on sensitive skin.

SmoothFit Boyleg

Extended coverageFrom $19

High waist, no ride-up.

Body Shorts

Extended leg coverageFrom $17

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

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.