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Yes, you can run in period underwear — the real question isn't whether it's possible, it's whether the specific pair you're wearing was actually built for running or just happens to be underwear you could technically run in.I got asked this in a way I wasn't expecting a couple months ago. One of our

30ml is a capacity target, not a wear-time promise — how long any period running short actually lasts on your body depends on your flow and how hard you're training, not on the number printed in a spec sheet.I want to get that out of the way in the first line because it's the single most common misu

I get the same email at least once a month. A brand founder finds a swimwear factory, likes the fabric photos, sends over a period swimwear inquiry, and writes something like: "Can you just add a liner to your regular bikini?" That tells me right away they haven't sourced period swimwear before — an

Layering a regular period brief under running shorts gives you two separate waistbands, two layers of fabric across your hips, and a gusset that isn't mechanically attached to the outer shell — a 2-in-1 sport short like our LY4291-1 replaces both with one garment where the leakproof gusset is built

I get a version of this email at least once a month: "We want seamless period underwear, like the kind that doesn't show under leggings." Then I ask a follow-up question — do they want true circular-knit construction, or just something that won't leave a panty-line ridge under fitted pants — and hal

I get some version of this question at least twice a month from buyers who already carry our period underwear: "What else should we be stocking?" Usually they've built a solid catalog around period underwear, the reorders are steady, and now they're looking at their customer base and asking who else

I get some version of this question at least once a week from brand owners building out a period underwear line: "Which fabric is best — cotton, bamboo, modal, or mesh?" It's the wrong question, and I tell people that directly, because it assumes the four fabrics are competing for the same job. They

If you're reading this, there's a good chance you've already had a batch come back from a customer with a complaint you didn't see coming — a waterproof panel that peeled after a month of normal washing, a seam that split at the crotch, lace that started leaking along the edge even though the core i