VIVOBAREFOOT Primus Trail III All Weather FG Women's Barefoot Trail Running Shoes (EU 37)

For female trail runners who crave a natural, grounded feel, the VIVOBAREFOOT Primus Trail III All Weather FG is a versatile companion on rocky paths, forest singletracks, and mixed terrain. Designed with a wide toe box and a zero-drop sole, it lets your feet move and flex as nature intended, while the water-resistant recycled PET mesh upper keeps light rain and damp trails at bay.

Key specifications

• Women's trail running / hiking shoe
• EU size 37 (UK 4, US Women's 6.5)
• Recycled PET mesh upper with water-resistant treatment
• Firm Ground (FG) rubber outsole with 4 mm lugs
• Zero-drop sole (0 mm heel-to-toe drop) with 2.5 mm base
• Removable thermal insole (3.5 mm) for added warmth
• Lace-up closure for a secure fit
• Vegan-friendly and made with recycled materials

Why choose it

The Primus Trail III All Weather FG is built for runners who reject conventional cushioning. Its barefoot design promotes a natural foot strike, strengthens foot muscles, and improves proprioception. The wide toe box allows toes to splay naturally, enhancing balance on uneven terrain. With a rugged outsole and water-resistant upper, this shoe adapts to changing trail conditions without sacrificing flexibility or ground feel.

Ideal use cases

• Trail running on firm and rocky paths
• Hiking on mixed terrain
• Everyday minimalist footwear for outdoor enthusiasts

Good to know

To get the most out of your barefoot shoes, transition gradually from conventional footwear. The removable thermal insole can be taken out for an even closer-to-the-ground feel or for warmer weather. Clean the shoes with a damp cloth and let them air dry — avoid machine washing.