Using soft, stretchy, fleecy fabric and built around Castelli's best, multi-layered women's seat pad, they are constructed with few seams for a smooth finish.Meanwhile, the stretch bib straps are not only minimal, to promote airflow, but of drop-tail construction, allowing for easy, mid-ride comfort breaks without having to remove your shorts and jerseyYour most comfortable, female-cut cold weather optionMade from warm and stretchy Thermoflex fabricDrop-tail construction, stretch mesh straps for ventilation and easy comfort breaksBuilt around the long-distance, woman specific Progetto X2 Air Seamless Donna seat padLow bulk, zipperless anklesWith reflective tab on backs of legsWeighs 262gMade for temperatures of 4-15°C