The Primus Trail III All Weather Firm Ground is a water-resistant evolution of the Primus Trail FG: our original

plantar fasciitis

A boot doesn’t have to mean clunky feet

and off-road exploration

it's ideal for primal movement

Primus Flow Knit Mens Skyway Size:46eu The Primus Trail III AllThe Primus Flow Knit combines lightweight barefoot performance with adaptive, sock like comfort. A seamless knit upper moves naturally with your foot while staying breathable and secure, and the ultra thin sole keeps you closely connected to the ground. Built for natural movement, its ideal for running, training, and everyday flow where flexibility and feel matter most.