Keep your most sensitive components safe and secure with the Fox Evolution Bib, an excellent bottom layer that goes well underneath any combination of outer gear. The Fox Evo Race Bib liner goes up against any other bib on the market, courtesy of the advance technical polyester/spandex blend that also delivers exceptional stretch and recovery. The Fox Evolution Bib Liner also features Fox's Dual foam density Evo Men's chamois to relieve pressure points, and added comfort. Compression band leg gripper provides a low profile, and secure fit. A Stretch mesh upper panel provides added cooling properties, and flat lock low profile seams that help eliminate chafing and irritation.