Trying to put a list of clothing (soft goods, not outerwear) companies that are ski related, owned by skiers, or make ski products.
Here are a few to get started...
Oakley
http://oakley.com/products/1151
Smith
http://www.smithoptics.com/Apparel_Category_21.html
Avalaan
http://www.avalaan.com/casual.php
Sublux
http://www.subluxclothing.com/index.html
Saga
http://www.sagaouterwear.com/softgoods.htm
I8van
http://www.i8van.com/store2/index.aspx
Jiberish
http://www.jiberish.com/#
Ski the East
https://www.skitheeast.net/products/
Giv
http://shop.givbrand.com/
Royaltee
http://royalteethreads.com/products.html
Ski Punx
http://skipunx.com/store.php
EC Headwear
http://www.echeadwear.com/apperal.html
Ninthward
http://www.ninthward.com/snowboards.html
Kopious
http://www.kopiousapparel.com/page/page/4790772.htm
feel free to contribute to this list, thanks...