The protective performance of a non-infill training surface is built on a two-stage cushioning mechanism: fiber deformation on the surface layer and controlled energy dispersion through the backing system.
Vivaturf’s training-oriented non-infill turf uses a straight-and-curled biomimetic fiber matrix. In the structure described in your source article, roughly 70% high-modulus straight fibers create a stable load-bearing framework that supports push-off and acceleration, while the remaining 30% high-resilience curled fibers act as an elastic buffer network. On landing or impact, the curled fibers deform first and absorb part of the load before returning to shape. This helps balance support and cushioning rather than forcing the surface to choose one at the expense of the other.
Beneath the fiber layer, the system incorporates a customized composite shock-attenuation layer, described in your draft as a closed-cell PE foam structure with a density of 45 kg/m³. This layer works like a macro spring: once force passes through the yarn system, the foam structure compresses and rebounds to spread load over a larger area. The result is more effective pressure dispersion away from vulnerable joints such as the knees and ankles. The use of hot-melt, solvent-free lamination instead of conventional glue bonding also helps improve long-term structural consistency while reducing odor and emissions concerns.
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