The grey finish looks sharp on the field, and for a one-size whistle it feels balanced in my hand during long training sessions. Cuts through noise clearly enough that players on the far end of the pitch hear it every time.
My old whistle finally gave out mid-tournament, so I grabbed this one as a backup and honestly it's become my main. The grey color looks sharp on the field, and the one-size design fits comfortably in my hand during long drills.