Features of the Pearl Izumi Men's Elite Pursuit Speed Jersey Elite transfer in-r-cool fabric powered by ice-fil provides superior skin cooling Direct-vent panels provide superior ventilation Patented anatomic speed sleeve construction optimizes Fit in the cycling position Longer sleeves reduce drag around Upper arms Full-length semi-autolock zipper can be flipped up and pulled open with one hand for easy venting Silicone gripper on back holds hem in place Sublimated graphics on selected panels Three back pockets with bonded finish gives a clean and sleek design Reflective elements for low-light visibility Fabric Details Body: 100% Polyester Sleeve: 71% Polyester, 29% Elastane Side: 88% Polyester, 12% Elastane Cuffs: 65% Nylon, 35% Lycra Elastane