Primus Flow Knit Mens Eclipse SUM24 This 8 week program is

This 8 week program is designed to improve ankle range of motion

seamless construction

Embodying simplicity and craftsmanship

The Kids Multi-terrain Sole is designed for ultimate flexibility

with the Tracker Winter II SG

Primus Flow Knit Mens Eclipse SUM24 This 8 week program isThe 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.