The rarity of The Alpine Stalker's Set is Uncommon, and been equipped it takes a “Bundle” slot. At this moment the item is available for trade.
The Alpine Stalker's Set is a skin for Ursa. The skin was added to the game on Invalid Date, it was created by Svdl.
The Alpine Stalker's Set is currently one of the most popular skins, but it is rarely seen in the game due to its high price.