Features Innovative Acerbis X-Flex fabric in polyester: totally stretched, soft, comfortable, breathable, light, quick dry Extended mesh areas on back Slim-fit to wear the garment with or without (event the most voluminous) protections Jersey version with long sleeves Weight 160 gr. Front & sleeves: Microfresh fabric, elastic, high–tech, breathable, absorb sweat & quick dry Back: Microfresh fabric, vented, elastic, high–tech, breathable, absorb sweat & quick dry