Constructed and engineered for optimum performance, the Primal Wear Blu Steel Helix Bib Shorts use revolutionary pattern technology to reduce air surface resistance for improved aerodynamics, and anatomically contoured panels that follow muscle movements through the entire pedal stroke for greater efficiency. Pro Tour Fit and high compression Vero fabric help maximize blood flow and power output. HX8 Carbon chamois allows for increased flexibility and support, features fusion technology for superior comfort, and is specifically shaped for racing and competition. Extended leg bands constructed from Z92 fabric aids with overall compression and wicks away moisture for a comfortable fit. Clean, classic Chevrons add a pop of color and give you a fast look.