Pearl Izumi's P.R.O. In-R-Cool Tri Singlet is aerodynamic, lightweight and stylish enough for finish-line photos. It features Pearl's P.R.O. Transfer fabric with In-R-Cool technology for optimal cooling and comfort when the sun is out in full force. The single-layer stitch-free neck and armholes keep you comfortable and chafe-free through all the disciplines. Plus, there are 2 rear pockets on this race-winning singlet to carry your fuel for those final miles.