The Primus Lite Knit's flexible knit upper, made with recycled plastics, adds even more mobility and agility to the beloved Primus Lite. The same 2mm Primus outsole, with an Active Ortholite Performance Insole made of 98% recycled PU foam, makes it perfect for active lifestyles and controlled workouts. PRIMUS OUTSOLE Get as close to the ground as possible. ORTHOLITE INSOLE The Active Ortholite Performance Insole is made of 98% recycled PU foam, which helps reduce waste and the use of virgin plastics. TOUGH RUBBER COMPOUND Strong, non-marking rubber compound for sticky grip and high-abrasion when you need it most.