The Alpinestars T-SP5 Rideknit Textile Motorcycle Jacket is ready for use with the Tech-Air 5 Airbag system, and has been constructed from a highly durable and abrasion Poly-fabric which incorporated class-leading Nucleon Flex Plus protection.Tech-Air 5 readyKnitted design with a body mapped race fit and pre-curved Sleeves and BodyStrategically positioned stretch panel inserts to accommodate Alpinestars airbag systemChassis constructed from hard wearing poly-fabricLarge mesh panel on back of collar for optimised levels of airflowLevel 1 Nucleon Flex Plus armour on Shoulders and ElbowsDFS Lite Shoulders with dynamic friction shield for enhanced abrasion resistanceRear of the Jacket is elongated for enhanced coverage when ridingKnitted technology fabric on seam areaStretch knitted panels on arm pit, inner arms and torsoHook and loop waist and cuff with semi-automatic zip for a secure closureMultiple pockets on the liner for safe and secure storageLarge tooth Vislon main zipper for ease o