Astroturf

n. trademark for synthetic turf that looks like grass; type of artificial grass

AstroTurf is a brand of artificial turf. Though the term is a registered trademark, it is sometimes used as a generic description of any kind of artificial turf. The original AstroTurf product was a short pile synthetic turf while the current products incorporate modern features such as antimicrobial protection, rubber infill, backing systems and nylon yarn fibers.
See more at Wikipedia.org...

ASTROTURF [SUPERFICIE ERBOSA ARTIFICIALE USATA SPECIALMENTE PER IMPIANTI SPORTIVI]