Our Mystery 7-Pack Junior Trunk is the ultimate surprise for your underwear drawer. You’ll get seven premium junior trunks made from our signature super-soft, breathable bamboo fabric—but the designs? That’s for fate to decide.

Our Mystery 4-Pack Women's Body Shorts is the ultimate surprise for your underwear drawer. You’ll get four premium women’s body shorts made from our signature super-soft, breathable bamboo fabric—but the designs? That’s for fate to decide.

Our Mystery 4-Pack Men's Trunk is the ultimate surprise for your underwear drawer. You’ll get four premium men's trunks made from our signature super-soft, breathable bamboo fabric—but the designs? That’s for fate to decide.

Step One has teamed up with Surf Life Saving Nippers to create the ultimate pair of underwear for boys ages between 2-14 years of ages! $5 from each pair will be donated to Surf Life Saving Nippers, to help keep our beaches safer! And remember... always swim between the flags!

Finding underwear your little one actually wants to wear every day? Consider it sorted. Our brand new Girls Shortie Bamboo Underwear is designed with busy kids (and even busier parents) in mind. Whether she’s running around the playground, sitting through school, or chilling at home—these girls bamboo shorties move with her, keeping her comfy all day long. ✅ Moisture-wicking viscose made from bamboo material is gentle on sensitive skin, soft with natural breathability. ✅ Super soft waistband ensures all day comfort and no complaining! ✅ No more adjusting - full-coverage shortie style that stays in place. Less fuss, more comfort.

The ultimate underwear for boys aged 2-14, our trunks are made with all the same high-quality features as our adult collections. They are available in a range of fun colours and prints and feature our classic fabric which wicks away sweat and lets you breathe.

The ultimate underwear for boys aged 2-14, our trunks are made with all the same high-quality features as our adult collections. They are available in a range of fun colours and prints and feature our classic fabric which wicks away sweat and lets you breathe.

The ultimate underwear for boys aged 2-14, our trunks are made with all the same high-quality features as our adult collections. They are available in a range of fun colours and prints and feature our classic fabric which wicks away sweat and lets you breathe.

The ultimate underwear for boys aged 2-14, our trunks are made with all the same high-quality features as our adult collections. They are available in a range of fun colours and prints and feature our classic fabric which wicks away sweat and lets you breathe.

The ultimate underwear for boys aged 2-14, our trunks are made with all the same high-quality features as our adult collections. They are available in a range of fun colours and prints and feature our classic fabric which wicks away sweat and lets you breathe.

The ultimate underwear for boys aged 2-14, our trunks are made with all the same high-quality features as our adult collections. They are available in a range of fun colours and prints and feature our classic fabric which wicks away sweat and lets you breathe.

The ultimate underwear for boys aged 2-14, our trunks are made with all the same high-quality features as our adult collections. They are available in a range of fun colours and prints and feature our classic fabric which wicks away sweat and lets you breathe.