The P.R.O. LTD Jersey utilizes the race proven design, anatomic fit, and materials worn by Garmin Slipstream riders, with original sublimated Pearl Izumi designs. P.R.O. Transfer fabric provides optimal stretch, recovery, and compression. Flatlock seams. 34 zipper for venting. Elasticized gripper on back to keep hem in place. Two back pockets plus hidden sweat proof pocket. European Race Fit tighter than normal Pearl Izumi Form Fit, please order appropriately. Body: 100% Polyester UPF 40. Panels: 80% Polyester 20% Spandex UPF 40.