Pearl iZUMi Men's P.R.O. LTD Cycling Jersey P.R.O. Transfer fabric provides optimal stretch, recovery, and compression Flatlock seams, 3/4 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+