Flexible soles accommodate natural foot motion on mixed terrain, best outdoor running shoes.
The Primus Trail Knit is an evolution of the Primus Trail FG: the 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.Proprietary compound formulations resist hardening in sub-zero temperatures, trail race shoes.