Flora is an Earth Day release - an homage to mother Earth and it's beauty. Proceeds from this collection will be donated to the World Wildlife Fund, the world's leading conservation non-profit that helps local communities protect wildlife and their habitat. This soft, breathable studio staple features compression arch support and our proprietary non-slip grip design that's made to stick. The organic cotton blend incorporates silver ions, which provide natural antimicrobial properties that help reduce odors and bacterial growth. It's also been combed with brushes to remove the shorter, weaker fibers, leaving it softer and more durable than traditional cotton. Fits US women's size 5-10.