| Brand | Vivobarefoot |
| Model | Primus Trail Knit FG |
| Year | 2026 |
| Gender Version | Unisex |
| Category | Advanced Runner Trail Running |
| Terrain | Trail |
| Midsole Technology | 4mm Thin Barefoot Design (Knit Trail Version) |
| Carbon Plate Structure | None |
| Upper Material | Knit Woven Upper (Durable Breathable) |
| Outsole Configuration | FG Trail Rubber Outsole (4mm) |
| Forefoot Thickness | 4.0mm |
| Heel Thickness | 4.0mm |
| Weight | 210g |
| Fit | Snug |
| Breathability | (3/5) |
| Stability | Normal |
| Cushion Distribution | Even |
| Feel Attribute | Breathable knit, barefoot trail, stable grip |
| Bounce | (3/5) |
| Running Style Recommendation | Neutral |
| Runner Level | Trail Runner |
| Weight Range | Medium |
| Width | Standard |
| Arch Type | Medium |
| Landing Type | Midfoot |
| Durability | 600 km |
Vivobarefoot Primus Trail Knit FG: barefoot trail shoe with breathable knit upper and 4mm sole for maximum ground feedback. FG outsole grips dirt and gravel. Ideal for runners seeking a minimalist foot-strengthening trail experience.
