FLO Period-Proof Undies | Black Hipster Brief (Medium) – Cotton, Holds 4 Tampons

Meet FLO Period-Proof Undies

FLO’s Black Hipster Brief in Medium blends everyday comfort with dependable, discreet protection. Designed as a reliable backup option, it stays close to your skin and your outfit, offering a versatile layer of coverage that fits into real life—from busy commutes to relaxed weekends.

From the first touch, you’ll notice a soft, breathable cotton fabric. Sourced from the Better Cotton Initiative, the material folds into a modern hip-hugging silhouette that sits comfortably at the hips. A multi-layer moisture lock works to keep you feeling dry and odor-free, so you can focus on what matters most to you—whether you’re at work, at the gym, or on the go.

Key benefits

• Holds the equivalent of up to four regular tampons worth of flow, delivering subtle, reliable coverage.
• Breathable, sustainable cotton that remains comfortable through long days.
• Leak-free moisture lock to help you feel confident during activities and routine movements.
• Size-inclusive range from XS to 3XL, with one small pair included for versatile fit.

Materials, design, and daily wear

The underwear uses sustainably sourced cotton and a streamlined hip-hugging cut. The breathable fabric and moisture-lock layers work together to maintain comfort from morning meetings to evening workouts. This medium option is part of FLO’s inclusive line, reinforcing the idea that period care can be everyday personal care.

Care, impact, and the FLO ethos

Machine-washable and reusable, these undies are designed for easy care and durability. FLO is a women-owned, B-Corp brand committed to empowering people with periods to feel confident even when it’s messy. The mission blends practical protection with a thoughtful approach to personal care and responsibility.

• Machine washable and reusable for a lower-waste routine.
• Women-owned and B-Corp certified.
• Supports a personal care mindset for periods, not just sanitation.

Real-life moments

Perfect for busy days, gym sessions, travel, or days when you want a little extra peace of mind. The soft cotton, secure fit, and discrete silhouette help you move through your day with steadiness and confidence, knowing you have backup without bulk.