Alpinestars Race v3 long johns compliant with FIA 8856-2018 and SFI homologation: 3.3. Alpinestars Race V3 Underwear Bottoms FIA 8856-2018. FIA 8856-2018 and SFI homologations (SFI: 3.3). - Lenzing™ FR® material is a natural viscose fiber with unique thermal insulation and fire retardant properties that help prevent heat stress.
