Primus Lite IV, men's
Vivobarefoot
A barefoot training shoe. The US product page prints a full material list and says it is made in Vietnam. Heel drop and stack height are not in that list.
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From the maker's page
- Upper100% recycled polyester
- Lining57% TPU, 35% recycled polyester, 8% polyurethane
- Laces100% recycled polyester. The page spells it Polyster.
- Outsole60% polymer, 30% silica, 10% vulcanised chemical
- Insole98% pre-consumer recycled polyurethane, 2% water-based adhesive. Topper: 100% recycled polyester.
- Made inVietnam
Worth knowing
- The page calls it a barefoot training shoe and tags it for gym and multi-terrain use.
- Heel-to-toe drop, stack height, and weight are not in the material block we read, so they are not listed.
- The upper is recycled polyester, not leather, cotton, or wool.
Source: https://www.vivobarefoot.com/us/primus-lite-iv-mens (opens in a new tab), checked 2026-10-22.