Skinny Dip Day | Step One Bamboo Underwear

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

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SHOP MEN'S SHOP WOMEN'S SHOP JUNIORS

Celebrate International Skinny Dip Day by buying our undies?

Yes. Don't get caught out - it's not a good look.

Boxer Brief

Boxer Brief

Our best selling pair. Anti-chafe, anti-sweat and anti-adjust.

Boxer Brief Fly

Boxer Brief Fly

A gate for your mate for easy access wherever you are

Trunk

Trunk

Same features as the boxer brief, only shorter in length

Boxer Brief PLUS

Boxer Brief PLUS

Offering extra support for extreme fitness

Junior Trunk

Junior Trunk

The ultimate underwear for boys aged 6-14

Long Johns

Long Johns

Thermal underwear reinvented.

SmoothFit Thong

SmoothFit
Thong

Buttery soft & stretchy with minimal coverage

SmoothFit Full Brief

SmoothFit
Full Brief

Full coverage for stress-free comfort

SmoothFit Bikini Brief

SmoothFit
Bikini Brief

Moderate coverage for all-day comfort

Body Shorts

Body Shorts

Perfect for lounging, exercise, or under a dress

Bikini Brief

Bikini Brief

Moisture-wicking, hypo-allergenic & super soft

Why Step Ones?

Breathable & Moisture-Wicking

Stay cool, dry, and ready for any spontaneous swim adventure.

Anti-Chafe Technology

Swim, splash, and frolic without the worry of irritation. Your thighs will thank you.

Eco-Friendly

Skinny dipping in the ocean? Check. Wearing sustainable underwear? Double check. Mother Nature approves.