more flexible and comfier than ever — but still tough enough for all-day play

and a sock-like construction to keep out trail debris

which features a split-toe construction and a seamless 360° knit upper that fits like a second skin

the new Primus Sport IV

Made with natural materials including chrome-free premium leather

Primus Trail Knit FG Womens Obsidian Size:43eu more flexible and comfier thanThe Primus Trail Knit is an evolution of the Primus Trail FG: our original, best selling trail running sneaker. It features a knit upper for enhanced breathability and purer trail mobility, made with recycled materials, and a sock like construction to keep out trail debris.