Period Underwear

Boss your cycle and ditch disposable pads and tampons for good with Modibodi’s award-winning period underwear. From light spotting to your heaviest flow, our leak-proof undies have you covered, literally.

Why Modibodi's Period Undies?

• Patented Merino Wool lining instantly absorbs moisture and neutralises odour, no “did I leak?” paranoia here.
• Four-Layer Leak-Proof Tech tested to destruction: Hydrostatic Pressure, Saturation, and Wet-Back, so if it doesn’t pass, it doesn’t make the cut.
• Scientifically Proven to stay fresh, dry, and leak-free for 100+ washes, your one-time investment in period freedom.
  
• OEKO-TEX® Standard 100 Certified: every thread and trim is free from harmful substances, safe for you and the planet.

Choose Your Absorbency

• Light (10–20 ml) – ideal for spotting, backup protection with tampons or cups, or post-partum.
  
• Moderate (20–35 ml) – perfect for average days when you need confidence from morning meeting to evening yoga.
  
• Super (35–50 ml) – our best-selling heavy-flow hero that holds up to 10 tampons’ worth of fluid, day or night.
  
• Ultra Leak-Proof (50+ ml) – maximum protection for over-nighters or wildly unpredictable cycles.

Not sure which level fits your flow? Take our Understanding Absorbencies Quiz to find your perfect match.

Styles & Sizes for Every Body

From cheeky Thong to full-coverage Boyshort, plus High-Waist, Bikini, Classic Brief, and adaptive styles, we’ve got 15+ cuts in sizes 2XS–6XL, plus Teen and Toddler. Consult our Size Guide for the ideal fit for your period panties. Remember, snug is key for zero leaks.

Easy Care, Long-Term Wear

1. Rinse in cold water immediately after wear.
2. Machine-wash at 30 °C, skip fabric softeners and bleach.
3. Line-dry or tumble low.

Treat them right, and your Modibodi period pants will boss your cycle through 100+ washes, saving you hundreds of dollars and keeping tonnes of waste out of landfill

Sustainable, Economical & Empowering

One pair of period knickers replaces up to 200 disposable pads or tampons; that’s serious landfill and budget rescue. Plus, every purchase supports our Certified B Corporation mission and commitment to ethical, transparent production.

Yes, our 3-layer lining technology quickly wicks away moisture, absorbs blood, and minimises odours, giving you serious leak protection.

Rinse each pair after use and machine wash after every cycle to maintain optimal hygiene.

Merino wool keeps things dry and comfy by reducing moisture and irritation.

They can be washed up to 100 times, or even more, with proper care.

Take our “Understanding Absorbencies” quiz to match your ideal style and absorbency.