Zappos.com is proud to offer the Simple - Carousel (Espresso) - Footwear: This ecoSNEAKS shoe is part of Simple s Better Category representing one more step toward a more sustainable global environment. Ships in Simple s totally state-of-the-art/back-to-the-future post-consumer recycled box. 100% post consumer paper pulp foot forms. Hemp upper. Vulcanized rubber sidewall, toecap and heelcap. Organic cotton lining is soft and breathable. Ortholite/recycled car tire pedbed for all-day comfort. Water based cements are employed for bringing the shoe together. Recycled car tire outsole provides grip and traction.