The last suit that you wear, you don't need any pockets. - Wayne Dyer

Classifieds: http://backpack.tf/classifieds?item=Xeno+Suit&quality=6&tradable=1&craftable=1&australium=-1

Screenshots of Classifieds: http://imgur.com/a/CdKeO

<Sellers>

[2.11] http://backpack.tf/item/5058755882 - http://backpack.tf/u/76561198306870587 - Listed 2 hours ago, BOT

[2.11] http://backpack.tf/item/5057036183 - http://backpack.tf/u/76561198257660269 - Listed 2 days ago, BOT

[2.11] http://backpack.tf/item/4926762645 - http://backpack.tf/u/76561198317215449 - Listed 23 hours ago, BOT

[2.11] http://backpack.tf/item/3734409571 - http://backpack.tf/u/76561198109946397 - Listed 6 days ago, bumped

[2.22] http://backpack.tf/item/5085681274 - http://backpack.tf/u/76561198317401621 - Listed 3 days ago, BOT

[2.33] http://backpack.tf/item/5055578843 - http://backpack.tf/u/76561198252073838 - Listed 3 days ago, hasn't been bumped since

[2.55] http://backpack.tf/item/5066987207 - http://backpack.tf/u/76561198079062628 - Listed 6 days ago, hasn't been bumped since

[2.66] http://backpack.tf/item/5058900290 - http://backpack.tf/u/76561198011321852 - Listed 14 days ago, regularly bumped

[2.66] http://backpack.tf/item/5075861686 - http://backpack.tf/u/76561198159169129 - Listed 3 days ago, hasn't been bumped since

[2.66] http://backpack.tf/item/3188200702 - http://backpack.tf/u/76561198052706921 - Listed 7 days ago, hasn't been bumped since

2.11 seems to be the way to go.