Primus Trail Flow. Men's

The Primus Trail Flow is a lightweight, high-performance barefoot trail runner built for speed, agility, and connection across natural terrain. Designed with a wide, foot-shaped fit and ultra-thin sole, it allows your feet to move freely while maintaining grip and control on varied surfaces. Breathable recycled materials and a streamlined build keep it light and responsive without unnecessary bulk.

From fast hikes to trail runs, Primus Trail Flow keeps you light, grounded, and moving with precision.

Key Features

• 1.8mm Barefoot Base – Ultra-thin platform for precise ground feel and responsiveness
• 3.5mm Trail Lugs – Balanced traction across wet, dry, rocky, and firm terrain
• Trail Flow Outsole – Vivo’s lightest, most agile trail sole for fast movement
• No Insole Design – Direct ground connection for maximum sensory feedback
• Breathable Recycled Mesh Upper – Keeps feet cool while maintaining durability
• Engineered Lace System – Secure, stable fit for dynamic movement
• Flexible Barefoot Construction – Supports strength, balance, and natural motion

Move fast, stay connected — lightweight barefoot performance built for the trail.