Details Like the age-old pines in California&';s Sequoia National Park, the Sequoia&';s style is timeless, and their easy slip-on structure will make them your perfect all-around shoe. Easy to slip on and off, pack for travels, and dress up or down. 100% vegan These run a little big. Order one half size down from your regular size. Upper knitted from recycled plastic bottles (90%) Removable Insole: 100% natural cork & Algae Foam Outsole: Recycled EVA (20%) & EVA