Size	AU/NZ	UK	US
XS	8A 8B 10A	30A 30B 32A	30A 30B 32A
Small	8DD 10B 10C 10D 10DD 12A 12B	30DD 32B 32C 32D 32DD 34A 34B	30DD 32B 32DD 32C 32D 34A 34B
Medium	12C 12D 12DD 12E 14A 14B	34C 34D 34DD 34E 36A 36B	34C 34D 34DD 34DDD 36A 36B
Large	14C 14D 14DD 14E 16A 16B 16C	36C 36D 36DD 36E 38A 38B 38C	36C 36D 36DD 36DDD 38B 38C
XL	16D 16DD 16E 18A 18B 18C 18D	38D 38DD 38E 40A 40B 40C 40D	38D 38DD 38DDD 40A 40B 40C 40D

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

Size	Waist (cm)	Waist (in)
2XS / (Size 4/8)	53-56	21-22
XS / (Size 8/12)	57-66	23-26
Small	67-76	27-30
Medium	77-86	31-34
Large	87-97	35-38
Extra Large	98-107	39-42
2XL	108-115	43-45
3XL	116-125	46-49
4XL	126-133	50-52
5XL	134-143	53-56
6XL	144-150	57-59

Size	Waist (cm)	Waist (in)
4XS (Age & Size 3-4)	40-44	15-17
3XS (Age & Size 5-6)	45-51	18-20
2XS (Age & Size 7-8)	52-59	21-22
XS (Age & Size 9-11)	60-69	23-26
S (Ages & Size 12-14)	70-76	27-30

SHOP MEN'S SHOP WOMEN'S SHOP JUNIORS

PROMO OVER!

✔️ End chafing - strategically placed panels to keep friction at bay and your thighs gliding

✔️ Extremely soft fabric - nature's answer to luxury, feel like your skin is floating on a cloud

✔️ 3D elastic pouch - gently lifts and supports the goods, giving you all day freedom and comfort

BELIEVE THE HYPE

50K +

Q: Who can claim this offer?

This offer is valid for new customers only.

Q: My question isn't here!

No fear - read our general FAQ's here . Or you can reach out to our customer service team here .

⭐⭐⭐⭐⭐

CERTIFIED REVIEWS

Our Best Sellers

Save 20%

[EXP-A] Men's Bamboo Underwear Boxers in all black - Model:Skyler

Boxer Brief - Scorpions

(17,310)

Save 20%

Women's SmoothFit Thong - Espresso-Tini

(304)

Save 20%

Trunk - Ahoy Sailor

(14,039)

Save 20%

[EXP-A] Women's Underwear Body Short in Black - Model:Yolanda

Women's Body Shorts - Tap Shoe

(4,518)

Save 20%

Women's SmoothFit Padded Bra - Chic Champagne

Save 20%

[EXP-A] Boxer Brief Grey Men's Underwear with Black Panels - Model:Angus

Boxer Brief - Smoking Gun

(17,310)

Save 20%

[EXP-A] Espresso-Tini - Bamboo- Model:Elke

Women's SmoothFit Full Brief - Espresso-Tini

(526)

Save 15%

Junior Trunk - Stormz

(14,039)

FAQ's

Who can claim this offer?

This offer is valid for new customers only.

How does this promotion work?

Simply add 2 of your favourites* (or soon to be) to your cart and add the discount code AFTERPAY25 at checkout to claim your discount.

*Please note that gift cards and the Cloud Mesh range is excluded from this promotion.

What's included in this promo?

Everything far and wide on our Step One website (except gift cards and the Cloud Mesh range).

Does the First Pair Guarantee applied during this promotion?

Of course, meaning if for some reason you don't love our underwear, you can get a full refund. No questions asked.

My question isn't here!

No fear - read our general FAQ's here.

Or you can reach out to our customer service team here.

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!

Your selection. Click to edit.

BELIEVE THE HYPE

50K +

⭐⭐⭐⭐⭐

CERTIFIED REVIEWS

Our Best Sellers

FAQ's