Catenary curve sole design matches natural walking biomechanics

The Primus Lite III is the most versatile training Vivo, made for moving naturally and growing strong through wide-ranging training disciplines. It??s perfect for experienced barefoot cross-trainers and those new to barefoot performance.

• Primus Outsole: Get as close to the ground as possible
  
• The Active Ortholite Performance Insole is made of 98% recycled PU foam, which
• helps reduce waste and the use of virgin plastics
  
• Strong, non-marking rubber compound for sticky grip and high-abrasion when you need it most
  
• Vegan
  
• Weight: 6.4 oz | 182 g (Per shoe)
  
• Fits true to size
  
• Upper: Vamp, Quarter, Tongue (100% RPET) Overlays (40% Polyester, 60% Polyeurathane)
  
• Lining: Collar and Tongue Lining (60% RPET, 40% Polyeurathene Microfiber)
  
• Laces: 100% RPET
  
• Outsole: 100% Synthetic Rubber
  
• Made in Vietnam

Offers a comfortable running posture