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. Upper knitted from recycled plastic bottles (90%), insole made from natural cork and algae foam, outsole made from 20% recycled EVA and 80% EVA. 100% vegan Removable insoles These run a little big. Order one half size down from your regular size.