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Size Guide

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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Boxer Brief - Precious Metals 4 Pack - Bamboo Underwear

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

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

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Boxer Brief - Vivid Blue - Bamboo Underwear

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154 products

Save 30%

Women's SmoothFit Bikini Brief - Purple Haze

Sale price£11.13

Regular price£15.90

Save 40%

Women's SmoothFit Boyleg - Tan

Sale price£7.80

Regular price£13.00

Save 40%

Women's SmoothFit Boyleg - Ash Brown

Sale price£7.80

Regular price£13.00

Save 30%

Women's SmoothFit Full Brief - Purple Haze

Sale price£9.10

Regular price£13.00

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Women's SmoothFit Boyleg - Peaches & Cream

Sale price£10.20

Regular price£17.00

Boxer Brief - Black Mambas

Sale price£15.00

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Women's SmoothFit Full Brief - Peaches & Cream

Sale price£9.10

Regular price£13.00

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Women's SmoothFit Bikini Brief - Peaches & Cream

Sale price£11.13

Regular price£15.90

Save 20%

Women's SmoothFit Padded Bra - Peaches & Cream

Sale price£19.20

Regular price£24.00

Save 40%

Women's Bikini Brief - Bones & Roses

Sale price£7.20

Regular price£12.00

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Step One Ltd acknowledges the Traditional Custodians of the land on which we operate, live and gather as employees & colleagues, and recognise their continuing connection to land, water and community. We pay respect to Elders past and present.

About Us

Step One is a leading direct-to-consumer online retailer for underwear. Step One offers an exclusive range of high quality, organically grown and certified, sustainable, and ethically manufactured underwear that suits a broad range of body types. Step One has transformed the underwear market with an innovative design and cult-like following and has quickly grown into a multinational company operating in Australia, the US and the UK.

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