To be honest, that's not hard to find, but what makes the F1ultralight unique is the lightness, thin-ness, and high stealth factor combined with that adjustability.
Ukukhuluma iqiniso, lokho akunzima ukukuthola, kepha okwenza i-F1ultralight ihluke ukukhanya, ukuzaca, kanye ne-stealth factor ehlanganiswe nalokhu kulungiswa.