The outfit is a limited time dollarbie, so go get it while you can. The skin is a group gift from Mojo and the hair is from Analog Dog.
Outfit: Sina 1L @ CStyle http://slurl.com/secondlife/Sweet%20Paradise%20Island/231/158/22
Skin: Santa (Group Gift, Free) @ Mojo http://slurl.com/secondlife/MOJO/49/135/27
Hair: Caught (Free) @ Analog Dog http://slurl.com/secondlife/Analog%20Dog%20Hair/103/185/22