Castelli omloop thermal bibshortcastellis omloop thermal bibshorts are cut off at the knee and feature soft raw cut edges and anatomically shaped knee sections this ensures that you will enjoy the thermal protection in key areas without any uncomfortable bunching or restriction to your movement on very cold days simply use full length socks to protect the lower half of your legs featuresmaterial thermoflex fabricthermal short cut just to the knee soft raw cut edgesanatomically shaped knee