



Description
The TECH ZX Underwear are constructed with LENZING™ FR, an innovative, sustainably produced viscose fiber that provides exceptional flame resistance. This Formula 1-derived underwear is extremely lightweight and thin, and designed to be incredibly soft to the touch, offering greatly enhanced comfort when wearing beneath mandatory underwear layers. Certified to FIA 8856-2018 homologation standard for Personal Underwear. Lenzing FR® material is a natural viscose fiber with unique thermal insulation and flame resistance properties that help prevent heat stress. Certified to the new FIA 8856-2018 homologation standard and SFI 3.3