VivoBarefoot Primus Trail II Fg Mens are the ultimate choice for those seeking lightweight, durable, and flexible men's barefoot shoes for trail running. Designed for diverse trail adventures, these shoes bring you closer to nature with every step. The Primus Trail II FG is crafted from high-performance, recycled, and vegan materials, ensuring both sustainability and top-notch performance. Whether you're trail running, fastpacking, or hiking, these shoes offer the perfect blend of sensitivity, grip, and speed on various terrains. Firm Ground outsole provides excellent grip and durability on multiple surfaces Active Ortholite Performance Insole made from 98% recycled PU foam for reduced waste Breathable mesh ensures lightweight comfort and ventilation Tough rubber compound offers a strong, non-marking grip for high-abrasion areas Made with vegan friendly materials, using synthetic components not derived from animals Weight 315 g (size EU 42 / UK 8 / US 9) / shoe Materials Vamp: 100% rec