The Q36. 5 Gregarius Winter Bib Tights use a UF Thermo Plus fabric rated to hold up in temperatures well below freezing, wrapped in a form-fitting cut that stays close through a long, cold ride. A Fusion Lady Chamois combines sewn and thermo-molded padding shaped for a woman's anatomy, so comfort holds steady even as the miles pile up in the cold. What Our Gearhead(R) Experts Are Saying:"Three hours into a long ride, I'm still not shifting on the saddle to find a comfortable spot, and that's not something I could say about a men's chamois resized for my body."