FEEL NATURAL IN NATURE

The Vivobarefoot Primus Trail Knit FG is a lightweight, versatile barefoot trail shoe built for running, hiking, fastpacking, and everyday outdoor adventure. An evolution of the best-selling Primus Trail FG, it features a breathable knit upper, sock-like fit, and responsive Firm Ground outsole for natural movement on varied terrain.

Why You’ll Love It

• Breathable knit upper made with recycled materials
• Sock-like construction helps keep out dirt and trail debris
• Lightweight barefoot design for natural movement and ground feel
• Quick-lace system for fast, secure adjustment
• Flexible and versatile for trail running, hiking, travel, and urban wear

Built for Natural Movement

The Primus Trail Knit FG is designed to help your feet move naturally while giving you the grip and protection needed for hardpack trails, rocky paths, and mixed terrain. Its low-profile barefoot construction encourages balance, strength, and sensory feedback with every step.

Firm Ground Outsole

The Firm Ground outsole uses a durable sticky rubber compound for confident grip across wet, dry, rocky, and compact terrain.

• 3mm sole base
• 2.5mm tread depth
• Textured arch for added traction on technical trails
• Strong, non-marking rubber for durability and grip

Ortholite Performance Insole

The Active Ortholite insole is made from 98% recycled PU foam, helping reduce waste while delivering lightweight comfort.

Vegan-Friendly*

The main materials are synthetic and not derived from animals. Vivobarefoot continues working toward full transparency across all components including adhesives and dyes.

Best For

• Trail running
• Hiking & fastpacking
• Outdoor adventure travel
• Everyday barefoot wear

Weight

• 360g (single women’s shoe, EU 38 | UK 5 | US 7.5)

Fit • Feel • Flex

Designed to deliver:

• Natural stability
• Maximum flexibility
• Strong ground connection
• Enhanced sensory feedback