Sometimes figuring out the better buy comes down to an investor's risk tolerance.Nike (NKE 0.22%) has historically been the best shoe stock to own. But the last five years have been a completely different story. Shares of Nike have actually dropped about 16% during that time even though the S&P 500 is up a strong 81%.There's another shoe stock that's crushing both Nike and the S&P 500 over the last five years: Deckers Outdoor (DECK -4.51%). It's enjoying fast-growing brand awareness for its Hoka and Ugg foo ...