"best characteristics" is a correct and usable phrase in written English, and can be used when referring to the most prominent or beneficial traits of someone or something. For example, "One of her best characteristics is her strong work ethic.".
These happen to be Hirsch's best characteristics.
"His smile was one of the best characteristics," Ms. Trost said.
This is a wish founded on the desirable simplicity of being charitable; one of her best characteristics.
In that same interview, Cruz said: "The original Star Trek pressed for racial equality, which was one of its best characteristics, but it did so without sermonising".
The album begins with a teenager called Tilly talking about the best characteristics of where she lives ("loyalty, and kindness, honesty – just basic things").
Hoppy, dry and with medium bitterness, Dortmunder beers take all the best characteristics from Munich's Helles beers and traditional Pilsners from northern Germany.
Bedford hopes to get the best characteristics of both parents into the offspring, while producing an apple with an identity all its own.
When I feel like I can't trust my brain 100%, Ludwig really comes in handy. It makes me translate and proofread faster and my output more reliable.
Claudia Letizia
Head Translator and Proofreader @ organictranslations.eu