Pearl's P.R.O. In-R-Cool Tri Shorts are constructed with lightweight, aerodynamic, and friction-reducing materials to get you to the finish in record time. The Pearl P.R.O. Aero fabric also features In-R-Cool technology to reflect the sun's rays and keep you at your best. You'll enjoy unsurpassed temperature regulation and breathability on even the hottest days, and the Pearl TRI quick-dry chamois ensures you'll be comfortable from the water to the bike. You also get flatlock seams for a streamlined, comfortable fit and a handy rear pocket to store essential nutrition.