__Certified to the new FIA 88562018 homologation standard.__ 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. · Flat seams construction to reduce pressure points and improve strength.