The tough and high-performance Primus Trail Knit FG trainers from Vivobarefoot allow you to move comfortably within the city. Designed for barefoot experience, these low-top sneakers are perfect for urban and city pavements. Breathable mesh upper with seamless synthetic overlays. Soft and breathable textile lining. Removable 3mm thin Performance insole. Ultra-thin, flexible and foldable. Durable rubber sole for maximum sensory feedback and minimum interference.