Curved bill with structured crown

The collar

Constructed from lightweight 100% waterproof yet breathable materials with taped seams and elasticized waist

and you can tailor the fit even further using the lower hem shock cord adjuster

tech zx boxer 1 YGroup_6506524 Curved bill with structured crownAlpinestars TECH ZX Series BOXERS are constructed with LENZING FR, an innovative, sustainably produced viscose fiber that provides exceptional flame resistance and protection against heat transfer. 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