Features of the Louis Garneau Men's CB Carbon 2 Bib Coldblack: Reflects UV rays to reduce heat build-up even on dark textiles Ergonomic Fit: Pre-shaped to Fit and support the body in motion Stretch ultra light and soft trim: Enhances comfort Seamless inner leg: Reduces bulkiness and excess material that caUses saddle bunching Aero lazer band at tHigh: Laser-cut, smooth transition to improve aerodynamics and muscle support Ischial relief zone: Relieves pressure at the back of the leg Flatlock seams: Eliminate irritation and reduce chafing Back and bottom reflective accents