This Formula 1 specification balaclava is extremely lightweight and thin, while being incredibly soft to the touch for greatly enhanced comfort when wearing 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. Soft-touch textile for feel and enhanced comfort. Key Features Flat seams construction to reduce pressure points and improve strength. Mouth opening for hydration tube access. Protection Certified to the new FIA 8856-2018 homologation standard. Lenzing FR material is a natural viscose fiber with unique thermal insulation and flame resistance properties that help prevent heat stress.