every step building natural strength

created alongside elite athletes to glide underwater

The Rehab Mechanics program will keep your feet and lower limb strong and resilient

A barefoot twist on a retro design

Cork Wedges for stability

Primus Flow Knit Mens Eclipse Size:42eu every step building natural strengthThe 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.