This website is talking about the key demographic and how they reach them.
key Demographic 10-24 year old
Reach: sponsoring professional events such as skating, snowboarding, wakeboarding etc, as well as other events like the Vans Warped tour
Many different markets that they have their fingers in, clothing, casual shoes as well as active shoes, skateboard and snowboard equipment, safety equipment
Some of their marketing techniques are sponsoring the professional sporting events, getting their name out their in the music scene by sponsoring a giant summer concert series, they have their own tv video network that has shows that are purely dedicated to extreme professional sports, they recently launched and iPad app that correlates with said network and allows users to subscribe to certain shows, as well as share them via social networks.
Will post more tomorrow, just kind of what I have dug up so far, its just skeleton stuff sorry if it seems like a bunch of rambling.