5 FG is a light

and a Proprioception Mat to sharpen sensory response

vegan* materials

and progressively build strength through the legs and feet

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

Primus Flow Knit Womens Eclipse retail-only 5 FG is a lightThe 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.