Alpinestars ZX EVO underwear are constructed with Lenzing FR®; an innovative natural viscose fiber that affords exceptional flame resistance and protection against heat transfer.• Fabric composition with a high percentage of Lenzing FR® fiber for enhanced garment performance.• Stretchable open knit construction on mouth and back zones for improved airflow and ventilation.• Lightweight, seamless construction for optimum comfort.• Double-layered face area for extra protection.• Mouth opening for hydration tube access.Homologation FIA8856-2018Colours: White/Grey
