The best period underwear. Period. Period underwear that absorbs your flow, helps fights odors during *that* time of the month and beyond. No flow for you? Proof® period underwear works for bladder leaks, sweat, discharge, postpartum bleeding, and more. Shop online and discover our patented leak-resistant and leakproof undies with multiple layers to lock in your leaks, available in a wide range of styles for all leak types.
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