Don't forget that when skiing, sunlight can reflect into your eyes from all angles, especially from below. Wool mits are warm, but tend to collect snow. To avoid moisture build-up, you may want to take your gloves off on the way up the hill in the chair lift. One layer is sufficient, as ski boots tend to be pretty warm. One or two layers of loose fitting but warm pants will suffice, depending on how cold it is.
Track pants are ideal, with thermals underneath on really cold days.
Jeans are not a good idea, unless they're lightweight and loose for mobility. A turtleneck is a good bottom layer. Polar fleece is a great insulator, as is wool. Screamer also makes a more fun, if less functional, line of headgear. Wind and water resistance is a must.