Sustainable Period Underwear Brand Proof Expands to Walmart

Proof, a sustainable leak-proof period underwear brand, has expanded its reach by launching its products at over 4,000 Walmart stores nationwide. The brand aims to make sustainable period products accessible to everyone, offering leak-proof underwear that provides full coverage protection and is machine washable for reuse.

The new collaboration with Walmart introduces Unders by Proof, a more affordable option of the brand's popular leak-proof underwear. The line includes three varieties of black briefs: Light, Moderate, and Heavy, each offering different levels of absorbency and ranging in price from $19.97 to $34.97. The patented Leak-Loc technology in Proof underwear includes reinforced edges, absorbent liners, and quick-dry lining to ensure full leak protection, odor-fighting capabilities, and a comfortable fit, making them suitable for use during pregnancy or to prevent bladder leaks.