Jim Cramer says that despite speculation that Lululemon will have shown improvement this quarter when it reports earnings next week and therefore investors should own the stock, he believes that's all wrong. Instead, Cramer says he's betting on Deckers Brands CEO Angel Martinez, who is introducing a new yoga shoe, which Lululemon doesn't have. As yoga continues to grow in popularity, Cramer advises to buy the ancillary play, which is Deckers. He says Deckers will capture a lot of this market and will be a big story in 2015. In terms of other retailers, Cramer advises investors to buy weakness in PVH, and also sees strength in companies like Kohl's, Ross Stores and T.J.Maxx.