Women's SmoothFit Bikini Brief - Toffee - Bamboo Underwear
Women's SmoothFit Bikini Brief - Toffee - Bamboo Underwear
Women's SmoothFit Bikini Brief - Toffee - Bamboo Underwear
Women's SmoothFit Bikini Brief - Toffee - Bamboo Underwear
1 / 4
Moderate coverage
Sweat Wicking
Bamboo Viscose
Hyperallogenic
Espresso-Tini
Piña Colada
Chic Champagne
Rose All Day
Blue Lagoon
Light Beige
Ash Brown
Tan
Pink Beige
Navy
Purple Haze
Peaches & Cream
Olive Green
Dark Purple
Prism Pink
Candy Pink
Rain Forest
Rhubarb
Blue Wave
Marina
Grey
Chambray
Rooibos
Lemonade
Sage
Sunset Spritz
Lavender
Marlin
Mint
Peach Cheeks
Paradise Green
Capri Coves
Mojito
Capri Yellow
Aquamarine
Toffee

SmoothFit Bikini Brief

£12 £10.80

Low as £9.60

Select Quantity

Select Size

Crew / Ankle / No-Show Socks

Crew / Ankle / No-Show Socks

7
Free Shipping
30-Day Guarantee
Over 65k 5-Star Reviews

Toffee SmoothFit Bikini Brief

Toffee is dark brown with serious depth, and the SmoothFit Bikini Brief is the everyday cut you'll reach for on repeat. Moderate coverage, seamless finish, zero fuss.

Why You'll Love It
It's the goldilocks of underwear: not too much, not too little. The seamless, tag-free design stays smooth under your clothes, while bamboo viscose keeps things soft, breathable and comfortable from morning to night.

Premium Features

  • Moderate coverage bikini cut
  • Buttery soft 95% bamboo viscose, 5% spandex
  • Naturally moisture-wicking and hypoallergenic
  • FSC certified bamboo
  • Made in a closed-loop production system
  • Mix and match with the rest of the Toffee SmoothFit range

Love them or they're FREE. That's our First Pair Guarantee.

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.

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

Free shipping, no minimum spend.

GENERAL SHIPPING TIMES:

UK Mainland = approx. 2-3 business days after dispatch.

International shipping is available and calculated at checkout.

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.

Comfort Reimagined

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

Seamless Design

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

All Day Comfort

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

Hypoallergenic

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

Reimagined
26M+
Pairs Sold
65K+
5-Star Reviews
2M+
Happy Customers
Trustpilot

Trust Score 4.5/5

Real Results from Real Customers

Which Step Ones are right for me?

Compare our styles to find your perfect fit.

Best Seller
SmoothFit Thong

SmoothFit Thong

  • Minimal cheeky coverage
  • Seamfree construction
  • 79% Bamboo Viscose
  • No Visible Panty Line (VPL)
  • Moisture-wicking fabric
Shop SmoothFit Thong
SmoothFit Full Brief

SmoothFit Full Brief

  • Full coverage & security
  • Seamless waistband
  • 79% Bamboo Viscose
  • Gentle on sensitive skin
  • Eco-friendly resource
Shop SmoothFit Full Brief
SmoothFit Boyleg

SmoothFit Boyleg

  • Extended boyleg cut
  • No ride-up design
  • 73% Bamboo Viscose
  • High-waist support
  • Ultra-stretchy fit
Shop SmoothFit Boyleg
SmoothFit Bikini Brief

SmoothFit Bikini Brief

  • Moderate coverage
  • Seamfree invisible fit
  • 79% Bamboo Viscose
  • Buttery soft texture
  • Hypoallergenic fabric
Shop SmoothFit Bikini Brief
Classic Bikini Brief

Classic Bikini Brief

  • Classic versatile fit
  • Soft molded waistband
  • FSC-certified Bamboo
  • Fun prints & colors
  • Sizes up to 5XL
Shop Classic Bikini Brief
Body Shorts

Body Shorts

  • Extended leg coverage
  • No-ride-up leg design
  • 95% Bamboo Viscose
  • Anti-chafe panels
  • Inclusive XS-4XL sizing
Shop Body Shorts
30 Days

First Pair Guarantee

Love them or they're free. If you don't love your first pair, we'll give you a full refund.

Risk-free trial
Full refund

Frequently Asked Questions

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