The length of a snowboard should depend on your height and weight. The board should come up to between your chin and nose for the average size all-mountain snowboarder. Freestylers who spend a lot of time in the air usually like shorter boards that are close to chin length. This is also a good size for lightweight and less aggressive riders, unless they are looking for something to grow into. Kids that are growing fast will get more use out of a board closer to nose height.
Many people overlook width when sizing their snowboard.
For men's size 11 boots and bigger, we recommend a wide board like the K2 Fatbob. Men with size 13 or bigger boots should check out the K2 Trucker, the widest board on the market. Snowboarders with small feet get more performance on narrower boards. Women's specific snowboards like the K2 Luna are narrow and perfect for women's boot sizes 6-9. After you find your perfect board, keep it in good shape by having it tuned once a season.