Selle san regale racing saddlethe selle san marco regale racing saddle is ideal for those who are looking for a model with a flat profile the shape allows easy forward and backward movement during pedalling so you can take advantage of the entire saddle surface advanced paddingbiofoam padding provides comfort that lasts all day as this advanced material follows the movement of your pelvis as you pedal it is also low in weight and waterproof too lightweight and strong the xsilite rails