Primus Flow Knit Mens Eclipse Size:41eu while the multi-terrain outsole ensures

while the multi-terrain outsole ensures traction on all surfaces

Get strong

Whether you’re a seasoned athlete or taking your first barefoot steps

the new Primus Sport IV

The Motus Strength II is the new and improved version of our barefoot trainer for high-impact workouts

Primus Flow Knit Mens Eclipse Size:41eu while the multi-terrain outsole ensuresThe 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.