BioTracker High-Cut Brief

This is not your ordinary brief. Made with fancy things like our sustainable silk and signature squat-proof technology. So you can feel things like the perfect amount of stretch, without ever sagging, bending, or snapping. 

Our trademarked NudeTech™ gives your briefs that special touch. Made from plant-based Modal, it’s what makes them feel like a second skin—like you’re wearing nothing at all.

Made with RegSilk™—our regenerated silk cocoon protein fibres—which has antibacterial and anti-smell properties to keep your most sensitive bits happy and to stop bacteria from building up. The world’s first Pilates-proof panties. Thrush? Don’t know her. 

Not sure how old your underwear is?

With busy lives and schedules, most of us aren’t keeping tabs on when we last spruced up our drawers. But nasty bacteria can build up on the undies that we use regularly, making them uncomfortable and unhygienic to wear

That’s why we’ve invented BioTracker — a smart paire of underwear that does the tracking for you. Designed with active proteins that sense external stimuli, this handy tracker changes colour with wear, so you can decide when it’s time for a refresh.