Vivobarefoot Primus Trail Flow blends barefoot-inspired ground feel with trail-ready protection and grip, designed for trail running and outdoor exploration. Key attributes: Black | Mesh | Barefoot-style low-profile sole | Flexible, high ground feel | Aggressive traction on loose terrain | Puncture-resistant outsole | Breathable, ventilated upper | Conventional lace-up closure | Reinforced toe cap | Lightweight construction | Secure, adaptable fit | Textured charcoal mesh upper | Black synthetic overlays | Multi-directional lug outsole | Red hexagonal sole accents | Subtle side-panel logo