SmoothFit Bra

Lift & Support

SmoothFit Boyleg

Low Rise & Stretch

SmoothFit Thong

Everyday Comfort

SmoothFit Bikini Brief

Moderate Coverage

SmoothFit Full Brief

Full Coverage

Bikini Brief

Classic Cut

Body Short

Lounging

Shop Mens

For Him

Boxer Brief

Thicker Legs

Trunk

Thinner Legs

Boxer Brief Fly

Easy Access

Boxer Brief Sport

Longer For Activity

Long Johns

Full Length

Junior Trunk

Ages 6 - 14

Shop Womens

For Her

SmoothFit Bra

Lift & Support

SmoothFit Boyleg

Low Rise & Stretch

SmoothFit Thong

Everyday Comfort

SmoothFit Bikini Brief

Moderate Coverage

SmoothFit Full Brief

Full Coverage

Bikini Brief

Classic Cut

Body Short

Lounging

Shop Mens

For Him

[EXP-A] Women's SmoothFit Thong - Sage - Bamboo Underwear - Model:Natalia
Natalia is 175cm tall, 63cm waist, wearing a size S
[EXP-B]
Women's SmoothFit Thong - Sage - Bamboo Underwear - Model:Natalia
Natalia is 175cm tall, 63cm waist, wearing a size S
Women's SmoothFit Thong - Sage - Bamboo Underwear - Model:Natalia
Natalia is 175cm tall, 63cm waist, wearing a size S
Women's SmoothFit Thong - Sage - Bamboo Underwear - Model:Natalia
Natalia is 175cm tall, 63cm waist, wearing a size S
Women's SmoothFit Thong - Sage - Bamboo Underwear - Model:Ashleigh
Ashleigh is 174cm tall, 90cm waist, wearing a size XL
Women's SmoothFit Thong - Sage - Bamboo Underwear - Model:Ashleigh
Ashleigh is 174cm tall, 90cm waist, wearing a size XL
IN STOCK
X

30 Day First Pair Guarantee

We are so confident that 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

SmoothFit Thong - Sage

$25.00

SmoothFit

 Thong
(304)

Price as low as $15.00 with packs!

Colour: Sage

:
[EXP-A] Women's SmoothFit Thong - Espresso-Tini - Bamboo Underwear - Model:Elke
[EXP-A] Pink Thong G String Underwear - Model:Elke
[EXP-A] Women's SmoothFit Thong - Chic Champagne - Bamboo Underwear - Model:Elke
[EXP-A] Women's SmoothFit Thong - Blue Lagoon - Bamboo Underwear - Model:Elke
[EXP-A] Women's SmoothFit Thong - Piña Colada - Bamboo Underwear - Model:Elke
[EXP-A] Purple Thong Bamboo Underwear Step One - Model:Elke
[EXP-A] Women's SmoothFit Thong - Marlin - Bamboo Underwear - Model:Yolanda
[EXP-A] Women's SmoothFit Thong - Grey - Bamboo Underwear - Model:Natalia
[EXP-A] Women's SmoothFit Thong - Sage - Bamboo Underwear - Model:Natalia
[EXP-A] Yellow Thong Bamboo Underwear - Model:Elke
[EXP-A] Women's SmoothFit Thong - Rooibos - Bamboo Underwear - Model:Natalia
[EXP-A] Women's SmoothFit Thong - Chambray - Bamboo Underwear - Model:Alexandra
Women's SmoothFit Thong - Wave Ride - Bamboo Underwear - Model:Yolanda
SmoothFit Thong - STEPtember - Bamboo Underwear - Model:Sophie
[EXP-A] Women's SmoothFit Thong - Sunset Spritz - Bamboo Underwear - Model:Sophie
Women's SmoothFit Thong - Pink Yarrow - Bamboo Underwear - Model:Natalia
Women's SmoothFit Thong - Rain Forest - Bamboo Underwear - Model:Yolanda
- Model:Natalia
Women's SmoothFit Thong - Scarlet Smile - Bamboo Underwear - Model:Yolanda
- Model:Natalia
Women's SmoothFit Thong - Cherry Tomato - Bamboo Underwear - Model:Yolanda

Women's Size Guide SmoothFit
Example: If you usually wear a medium, we recommend ordering a small.

SIZE

AU SIZE

UK SIZE

WAIST (cm)

XS

04-06

00-02

60

Small

08-10

04-06

64

Medium

12-14

08-10

68

Large

16-18

12-14

72

XL

20-22

16-18

76

2XL

24-26

20-22

80

At Step Ones, we are incredibly confident that you'll adore your purchase. However, we understand that personal preferences vary, and if, for any reason, you don't like your first opened and worn pair, we'll be more than happy to provide you with a full refund. Customer satisfaction is our top priority, and we want you to feel completely at ease when shopping with us.

Even if you accidentally picked the wrong size, don't worry – we've got you covered! In addition to our first pair guarantee, we extend returns and exchanges to all unopened products. We want to ensure that you find the perfect fit and are completely satisfied with your Step Ones experience. Your comfort and happiness are essential to us, and we strive to make the entire process seamless and enjoyable. Shop with confidence and know that we're here to assist you every step of the way.

Frequently purchased together...

SmoothFit
Thong Espresso-Tini

$25.00

SmoothFit
Thong Chic Champagne

$25.00

SmoothFit
Thong Rosé All Day

$25.00

SmoothFit
Thong Blue Lagoon

$25.00

In stock

Shop our Surf Life Saving x Step One pair and donate to a good cause.

Trustpilot

Welcome to our SmoothFit range

Your new favourites

Crafted with care and designed for maximum comfort, these underwear are a game-changer in the world of intimates. Made from bamboo viscose, a natural and eco-friendly fabric, our ribbed seam free underwear offers a seamless and irritation-free experience.

Say goodbye to muffin top

The seamless waist construction eliminates any irritating seams that could dig into your skin, making these underwear ideal for everyday wear, workouts, or lounging. The bamboo viscose fabric is incredibly soft to the touch and naturally moisture-wicking, keeping you fresh and dry throughout the day.

Undies that love the planet

Bamboo is a renewable resource that grows rapidly and requires minimal water and pesticides. It also has natural anti-bacterial properties, reducing the need for chemical treatments. By choosing our bamboo viscose underwear, you're making a conscious decision to support eco-friendly practices.

You may also like...

[EXP-A] Women's SmoothFit Padded Bra - Espresso-Tini - Bamboo Underwear - Model:Holly[EXP-B]
Women's SmoothFit Padded Bra - Espresso-Tini Sale price$39.00
[EXP-A] Women's SmoothFit Full Brief - Rosé All Day - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Full Brief - Rosé All Day Sale price$29.00
[EXP-A] Women's SmoothFit Bikini Brief - Espresso-Tini - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Bikini Brief - Espresso-Tini Sale price$27.00
[EXP-A] Women's SmoothFit Full Brief - Blue Lagoon - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Full Brief - Blue Lagoon Sale price$29.00
[EXP-A] Espresso-Tini - Bamboo- Model:Elke[EXP-B]
Women's SmoothFit Full Brief - Espresso-Tini Sale price$29.00
[EXP-A] Women's SmoothFit Bikini Brief - Chic Champagne - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Bikini Brief - Chic Champagne Sale price$27.00
[EXP-A] Women's SmoothFit Bikini Brief - Blue Lagoon - Bamboo Underwear - Model:ElkeWomen's SmoothFit Bikini Brief - Blue Lagoon - Bamboo Underwear
Women's SmoothFit Bikini Brief - Blue Lagoon Sale price$27.00
[EXP-A] Women's SmoothFit Full Brief - Piña Colada - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Full Brief - Piña Colada Sale price$29.00
[EXP-A] Women's SmoothFit Full Brief - Chic Champagne - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Full Brief - Chic Champagne Sale price$29.00
[EXP-A] Women's SmoothFit Bikini Brief - Rosé All Day - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Bikini Brief - Rosé All Day Sale price$27.00
[EXP-A] Women's SmoothFit Bikini Brief - Piña Colada - Bamboo Underwear - Model:Elke[EXP-B]
Women's SmoothFit Bikini Brief - Piña Colada Sale price$27.00

First Pair Guarantee

We are so confident you'll love your Step Ones, we'll give you a full refund on your first opened and worn pair if you don't like them for any reason.

Free shipping on all orders!

Free shipping on all orders in Australia... how good!

Easy Returns

Picked the wrong size by mistake? No problem. On top of our first pair guarantee we also offer returns/exchanges on all unopened products.

Customer Service

Buy with confidence, our dedicated customer service team is available 24/7 to answer any questions you have!