Primus Trail 3.5 FG. Women's
Rewild your stride and feel the earth beneath you with the Vivobarefoot Primus Trail 3.5 FG – a lightweight, durable, and flexible barefoot trail-running trainer crafted for rugged paths and planet-first performance.
Designed for fearless female explorers who crave off-road freedom, the Primus Trail 3.5 FG blends high-performance barefoot technology with eco-conscious innovation. Built from vegan* and 71% recycled polyester materials, this updated version moves you closer to circular, sustainable design — without compromising on durability or grip.
With its Firm Ground outsole, breathable upper, and foot-strengthening barefoot construction, this shoe is made to take you from forest floor to rocky ridge with natural ease.
Key Features
- Firm Ground Outsole – Grippy and rugged, ideal for rocky, hard-packed and mixed terrain
- 71% Recycled Polyester Upper – Lightweight and breathable with a strong eco focus
- Ortholite Insole – Made of 98% recycled PU foam to provide comfort while reducing waste
- Barefoot Design – Zero-drop with a wide toe box for foot strength and natural alignment
- Vegan-Friendly – Made from synthetic, animal-free materials (adhesives/dyes not yet certified vegan)
- Flexible Build – Encourages foot mobility and total trail connection
Hit the trail wild and free — and tread lighter with every step.
Size guide
Primus Trail 3.5 FG. Women's