Vivobarefoot Primus Trail Flow Mens Dark Olive/Gum

As you connect with the trail, a super lightweight and flexible ETPU midsole and an All Terrain outsole keeps feeling in and trail debris out. The Primus Trail Flow’s streamlined 1.8mm base and optimised 3.5mm lug height mean you pick up every nuance of the Earth beneath your feet, letting you run off-road with precision and confidence. Weight Approx. 219g (size dependent) Heel-to-Toe Drop 0mm Stack Height 1.8mm base + 3.5mm lug depth Midsole 100% expanded thermoplastic polyurethane (E-TPU) midsole for lightweight flexibility and responsive trail feel Outsole Trail Flow All Terrain outsole with 1.8mm base and 3.5mm lug depth for grip, traction and ground connection across varied terrain Upper 100% recycled polyester mesh with TPU overlays for breathable durability and support Lining Collar lining: 100% recycled polyester (rPET). Tongue lining: 80% recycled polyester (rPET), 20% polyurethane (PU) Insole Removable thermal insole for added comfort and versatility Closure 100% recycled polyester (rPET) laces with engineered anti-slip lacing system Materials Vegan-friendly construction using recycled polyester mesh, TPU overlays and natural/synthetic rubber outsole components Best Use Trail running, hiking, off-road adventures and technical terrain