The PRR Glass Bib Tights are constructed from SuperRoubaix fabric, the soft inner fleece creates small pockets of air that are warmed by body-heat, thus keeping you cosy, warm and protected from the cold. Not only are they warm, they're highly breathable too, so even as you work up heat you'll not feel cold or clammy from excess sweat build up. Lastly, you'll also enjoy the light compression that supports and massages the muscles as you ride, helping you to ride further and faster in greater comfort. Read more… These tights use Ale's renowned 4HF seat pad, designed for rides of up to 4 hours. Constructed with an elastic microfiber and anatomically shaped for the utmost freedom of movement it's ideally suited to medium to long-distance training rides and racing. The support is strategically positioned in the key saddle contact points, 90 kg/cm² density padding in the perineal and ischiatic area, making for an incredibly comfortable feel. Whether it's a fast road ride or an off-road adventure, the PRR Glass Bib Tights have got you covered, ensuring you enjoy your winter miles in warm comfort.