Pearl Izumi Brands Custom Elite In-R-Cool Tri Singlet Pearl Izumi's Elite In-R-Cool Tri Singlet provides comfort and aerodynamics for all your triathlon training and racing This form-fitting singlet combines Pearl's Elite Transfer In-R-Cool fabric and their Elite Transfer Aero fabric for excellent moisture transfer, breathability, temperature regulation and aerodynamics. You also get built-in sun protection, a pair of rear pockets, and a 10-inch zipper for easy on/off and venting