Primus Lite Knit Natural (Men's) running 41oz（Size 9）Sole Thickness：9mmSole：Waterproof Non-Marking Vibram®

41oz（Size 9）Sole Thickness：9mmSole：Waterproof Non-Marking Vibram® Morflex SoleFootbed：MGT（Monkey Grip Technology）

healthy feet with every step

Patented toe strengthening bands in three different resistances

Made to help you strengthen your feet with every step

high-performance materials

Primus Lite Knit Natural (Men's) running 41oz（Size 9）Sole Thickness：9mmSole：Waterproof Non-Marking Vibram®Slip into the knitted sock of the Primus Lite Knit Natural now created with a 92% Tencel, 7% Hotmelt and 1% Roica upper and instantly feel the benefit of fit. This super flexible update to Vivo's beloved barefoot performance trainer is still just as ready to move however you train, just more natural. Feel your workout to the full via the 2mm outsole of the Primus Lite Knit Natural, designed for enhanced barefoot performance and durability. The