Find and tackle the trails with the new, lightweight and breathable Primus Trail Soft Ground trainers from Vivobarefoot. With innovative design, these ultra-flexible lace-ups deliver an unprecedented barefoot experience while keeping your feet protected. Breathable 3M mesh upper with laminated PU overlays. No-sew construction for seam durability and robust flexibility. Lightweight, stretchy collar for ankle mobility. Mountain lace system with toggle for quick, secure and non-slip adherence. Quick drain zones for optimised drying time when wet. Soft and breathable textile lining for abrasion-free wear. Removable, flexible, performance 3 mm insole for soft cushioning. Patented, ultra-thin, puncture resistant Soft Ground rubber sole. High-profile chevron lugs on the sole for superior grip on muddy and loose ground. Ultra-flexible and foldable.