Castelli Women's Espresso Air Jacket The Castelli Women's Espresso Air Jacket is made for cold and mostly dry days, delivering impressive warmth and breathability as you build your winter base. With Ristretto Warm fabric, you get the benefits of a warm and fleecy inside paired with just enough airflow to prevent you from overheating or getting soaked in sweat. Ristretto Technology A new clothing technology for creating warmth when cycling in winter while keeping you sweat-free. Ristretto fabrics let through an imperceptible amount of air, so you won't even notice it. But this air permeability...