A hooded base layer can be a game-changer if you ski in genuinely cold conditions or hate feeling drafts at your neck. The hood eliminates that annoying gap between your neck gaiter and collar, sealing in warmth from the shoulders up. It's especially nice on freezing lift rides when every bit of coverage counts.
That said, the big thing to watch is helmet compatibility. Some fitted hoods layer smoothly under a ski helmet, but others bunch up or feel tight, which gets uncomfortable fast. If you wear a helmet with minimal interior space, try the combo on before committing. Also, a hooded top means one less piece of gear to keep track of—you can skip the separate balaclava on moderately cold days.
If you mostly ski milder resorts or spring conditions, a hooded base layer will probably feel too warm and restrictive. But for cold-weather regulars or backcountry riders who want streamlined warmth, it's a solid choice.