Wide natural toe box allows toes to spread freely for enhanced comfort and foot health
Ultra-lightweight IBR outsole provides flexibility and reduces fatigue during activity
Zero drop design corrects posture and encourages midfoot strike for improved alignment
Attached tongue and gusseted laces ensure a secure, customizable fit
Breathable microfiber and air mesh upper keeps feet cool and comfortable with or without socks
Summarized by Shop
If you’re already a fan of the Primal 2, then consider the Primal Zen its heir apparent. We took the components you love in the Primal 2 - the wide toe box and the flexible IBR outsole - and built a shoe on a new platform that wraps around your foot like a glove. For a more comfortable feel, we also added 2mm of extra sole for added prote
Weight
6.8–8.2 oz (varies by model)
Outsole
Injection blown rubber (IBR), 9.5–11.0 mm thickness
