Made from 100% Polyester material the Errea Flann Training Bottoms are produced in a lightweight and soft fabric. Designed with a semi snug fit using the exclusive Errea Warm Up fabric that guarantees warmth and protection from the wind,?without overlooking breath-ability, that is perfect for your outdoor winter training sessions. Furthermore there is an elasticated waistband with tie cord to enhance the user comfort. In addition to this the ankle region of the garment has zips allowing you to remove quickly when required.