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Thinx period proof organic cotton bikini briefs in black

Product Details

Briefs by THINX

  • A little something for your underwear drawer
  • Features a durable waistband 
  • Absorbent, leak-resistant design
  • Traps odors
  • Ideal for light days
  • Can also be used as backup on heavier days
  • Holds up to two tampons' worth
  • Great for travelling, exercise and overnight use
  • Brief cut
  • For when you want that extra coverage




Looking for underwear during your time of the month? Enter THINX. Depending on your flow, its undies can either replace single-use pads and tampons (hello, eco-friendly points) or act as a back-up for that just-in-case protection. Here on ASOS, we’ve got styles that look and feel like regular briefs, made with the brand’s signature four-layer technology – we’re talking super-absorbent fabric and odour-fighting lining – anything for period peace of mind, right?


Just here for the care instructions?
Yeah, we thought so

Machine wash according to instructions on care label


Soft jersey
Made with organic cotton
Grown with less water and no pesticides
It's a win-win, improving the environment for both wildlife and cotton farmers

Fabric 1: 95% Cotton, 5% Elastane, Fabric 2: 85% Nylon, 15% Elastane, Mesh: 95% Organic Cotton, 5% Elastane.