Large or oversized ski goggles give you the maximum field of view available, which is a real advantage when you're charging through trees, navigating tight chutes, or just want better peripheral vision without turning your head. The bigger lens surface can genuinely improve your reaction time and situational awareness on the mountain, which is why many freeride skiers gravitate toward them.
That said, bigger isn't always better if it doesn't fit your face. Oversized goggles on a smaller face will leave gaps—especially around the nose and cheeks—which lets cold air in and leads to fogging. They may also not sit properly in your helmet's goggle strap slot. These are best suited for riders with larger faces who naturally fill out the frame.
Always try them on with your helmet before buying. If they seal comfortably without gaps or pinching, the expanded view can be a game-changer.