Long distance comfortcastelli have engineered everything in this short to make your longest rides just a little bit more comfortable everything castelli does is geared towards speed and they know that means doing some long rides castelli stay with the proven comfort of they progetto x2 air seatpad use new endurance evolution fabric for muscle support and give the short a perfect eight panel anatomic fit and their giro3 leg gripper of particular note is the bib construction which castelli