Alpinestars Men's Sight Short Sleeve Jersey 100% Polyester Imported Stretchable poly-fabric main shell has excellent moisture wicking and is quick-drying for optimized temperature control Ergonomically designed for a contoured racing fit and easy integration with elbow and back protectors Mesh panels are strategically positioned under arms ensure additional airflow. Low open collar for ease of entry and riding comfort Sublimated, fade resistant graphics incorporate aggressive, bold colored designs.