DESCRIPTION Lightweight and offering high breathability and flame-resistance properties, the Race v3 Series Formula 1 specification tech base layer incorporates a relaxed fit for comfort when wearing under a driving suit. Construction • Advanced tech base layer with Alpinestars innovative flame-resistant technology incorporating elastane fiber for improved engineered elasticity and high levels of comfort. • Stretchable construction under the new homologation standard requirements • Certified to the new FIA 8856-2018 homologation standard. • Soft-touch textile for feel and enhanced comfort. • Lenzing FR® material is a natural viscose fiber with unique thermal insulation and flame resistance properties that help prevent heat stress.