Champion skin

Champion Skin (or just Skin) refers to the color scheme of clothing and other physical appearance of a champion. In League of Legends, different skins for champions may be obtained by multiple methods. Two exclusive skins are available through the Digital Collector's Edition of the game, while two more will be available through the retail purchase of the game. More skins are available through special promotions or by winning certain League events. The rest can be bought with Riot Points from the Riot Store (though some are timed exclusives; ie the Halloween/Christmas skins and other rare skins).

Collector's Edition Skins
These Skins are available only through Collector's Edition(Digital or Retail), 2 of them are no longer available since they are Pre-Order exclusives.

Special Events
These skins were or are available for special events.

Unavailable Skins
The following skins can't be bought because they were Seasonal Event Skins or were removed from Store.

Riot Soccer Skins
These skins were released during to the FIFA World Cup, the male ones on June 22, 2010 and the female ones on June 28, 2010. All of them were removed from the store on November 1st, 2010.

Snowdown Showdown 2010 Skins
These skins were released during to Holiday Season 2010, they kept a 10% discount over the duration.