Gore Bike Wear Women's Power 2.0 Thermal Bib Tights 85% POLYAMIDE, 15% ELASTANE Imported Insulating road cycling bibtights for cold weather conditions. Brushed, warming material and thermo mesh in the back. Patented zipper solution for the easiest biobreak ever. Tight fit 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 Gripper elastic on bottom hem