Reinforcing ply for objects made of elastomer material, preferably for pneumatic vehicle tires and pneumatic vehicle tire

The reinforcing layer has parallel and mutually spaced reinforcing carriers with hybrid cords provided with two mutually twisted multifilament yarns such as viscose multifilament yarn and non-metallic multifilament yarn. The viscose multifilament yarn is manufactured in accordance with DIN EN ISO 139-1:2005 standard, with yarn count of less than 1100 dtex and a tensile strength of greater than or equal to 45 cN/tex. The hybrid cords are formed with cord count of less than or equal to 3000 dtex. An independent claim is included for a vehicle pneumatic tire.