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Ribbed Biker Brief - Black


    Perfect for sleeping or lounging, the ribbed high-rise biker brief is made for comfort from lightweight and sustainable Tencel™ fibers. Encased elastic waistband.

Every ending is a new beginning. This product was designed for circularity. When you're done loving it, it will be recycled into new yarn and used to create new materials and used for a future product.
icon Made of recycled materials
This product is new, however the materials it was made from were not. It was created using “waste” (think: materials from old clothing or fabric scraps). This helps keep materials in-use and is an important part of circular fashion.
icon Women Owned Brand
This product is from a Woman-Owned Brand, just like For Days! Supporting women-led businesses is an important part of our mission.

Proclaim makes wardrobe staples in inclusive nude color for women of all skin tones using only sustainable fabrics including Tencel, cupro, organic cotton and hemp. They also utilize a hyper local supply chain where their fabric mill, production facility and fulfillment are all within a 30 miles radius in Los Angeles, allowing them to reduce their carbon footprint while also supporting their local economy.


    96% Tencel™ Modal, 4% Spandex
    Machine wash cold with like colors. Hang or lay flat to dry.

    Please reach out to for returns/exchanges

    All underwear are final sale. We accept domestic (US) returns and exchanges postmarked within 30 days of receipt. US returns and exchanges are free. Returns must be received in new condition; unused, unworn and unwashed. Refunds are issued to your original payment method. Refunds cannot be returned to alternate cards or different forms of payment.

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For Days

What Exactly is Circularity?

It's a future where all products are recycled, reused, and regenerated.

Everything remains in use as long as possible.

The old way:
Take, Make, Waste

The new way:
Create, Circulate, Regenerate

Learn More
For Days

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