DON'T LIMIT YOURSELF: They made this short to meet Castelli's high standards for comfort and performance in a cycling short while adding a few extra features that come in handy for riding on any surface. You'll findtheirnormal exceptional fit as well as the KISS Air2 seat pad, which provides generous anatomically placed padding with an exceptionally soft top layer. What makes this short special is the extremely durable Unlimited Lycra fabric. It has higher abrasion resistance and tear resistance while not compromising on stretch, moisture management or comfort. In addition, they use double-layer side panels for the old track rider's trick of fabric-sliding-on-fabric should you fall. This short isn't really meant to be indestructible, but it significantly increases the chances that sliding out on gravel will mean you need to just brush yourself off rather than having to buy a new pair of shorts. That second layer on the side panel also makes for convenient side pockets, with a flap