Gore Bike Wear Women's Power 2.0 Reflex Thermo Lady Bibs+ Shorts, Black, Medium MAIN FABRIC: 85% POLYAMIDE, 15% ELASTANE Imported Insulating road cycling bibtights with thermo mesh in the back. The seat insert offers comfort. Reflectors and neon colors improve visibility. Patented zipper solution for the easiest biobreak ever. Tight fit Power Woman seat insert X-shaped, women's specific bibs with hook closure that runs over the breastbone without any friction Patented two-zip system for easy opening during bio-breaks Flat-lock seams Mesh insert in back for optimum ventilation