Women's Primus Lite Knit - ObsidianThe Primus Lite Knits flexible knit upper, made with recycled plastics, adds even more mobility and agility to the beloved Primus Lite. The same 2mm Primus outsole, with a performance RISE insole made with algae otherwise blocking waterways, make it perfect for active lifestyles and controlled workouts. PRIMUS OUTSOLE Get as close to the ground as possible. BLOOM FOAM INSOLE The Active Bloom Foam Insole is made using the first sustainable alternative