Formula 1 spec undershirt, constructed using an innovative flame resistant technology developed by Alpinestars.
– Lenzing FR® is a special natural viscose fiber with unique thermal insulation and permanent flame resistance properties that help prevent heat stress and heat stroke.
– This exclusive material is more breathable and has better elastic properties than conventional fabrics.
– Lightweight, seamless construction ensures maximum driving comfort with minimal material encumbrance.
– Elongated rear profile for improved fit in the seated position
– Fabric construction is extremely soft to the touch ensuring a pleasant feel against the skin.
– Complies with FIA 8856-2000 and SFI 3.3 homologation standards.
