REV'IT! Airborne 2 Black ShirtMoisture wicking and heat regulating, long sleeve base layer Whatever you do, dont call it underwear. Our Airborne LS 2 long sleeve base layer shirt is so much more than just that. Made with incredibly stretchy, hypoallergenic Dryarn, soft to the touch fabric and constructed using 3D round knitting for comfort assuring, minimal seaming, the Airborne LS 2 puts base back into base layer. The form fitted, long sleeve shirt truly is the foundation of any