Many people don’t give a second thought to where their old coffee grounds go after tossing them in the trash. That isn’t the case with the folks behind Rens, a new shoe brand now fundraising on Kickstarter. The stylish sneakers are made from recycled coffee and water bottles—and they’re 100 percent waterproof.
While brainstorming ideas for a sustainable sneaker, the founders of Rens discovered they could spin high-tensile thread from old coffee grounds. Not only is this material better for the environment, but it offers some remarkable benefits to wearers as well. Fabric made from coffee is naturally odor-fighting and antibacterial. By combining the coffee with recycled water bottles, the team was able to create a shoe that’s also lightweight, breathable, and totally resistant to water.