The Primus Lite III lace-up vegan sneakers from Vivobarefoot have a simple minimalist lightweight construction to give you freedom and allow your feet to move as naturally as possible. Super light breathable mesh textile upper with seamless synthetic overlays. Soft and breathable textile lining. Removable textile lined insole for comfort. Ultra-thin, flexible and foldable. Durable rubber sole for maximum sensory feedback and minimum interference.