I don't read French (my German is fair), but I know how to use web translators. According to the inter web, this is what the French Montagnes Magazine said about the Hagan Boost 94: (excerpts, click the link below to read the entire review in French)
The Big Surprise of this Season
excellent stability even at high speeds
A model that is not unlike the behaviour of the Salomon Explore 95 but with greater rigidity.
This ski becomes our favourite of this 2020 range
slips very clearly in the first place of these tests.
enormous carbon-filled shovel erases all the roughness of the terrain
unparalleled driving comfort in deep or trafficked snow