Investors interested in stocks from the Retail - Apparel and Shoes sector have probably already heard of DSW (DSW) and Stitch Fix (SFIX). But which of these two companies is the best option for those looking for undervalued stocks? Let's take a closer look.Everyone has their own methods for finding great value opportunities, but our model includes pairing an impressive grade in the Value category of our Style Scores system with a strong Zacks Rank. The proven Zacks Rank emphasizes companies with positive estimate revision trends, and our Style Scores highlight stocks with specific traits.DSW has a Zacks Rank of #1 (Strong Buy), while Stitch Fix has a Zacks Rank of #2 (Buy) right now. The Zacks Rank favors stocks that have recently seen positive revisions to their earnings estimates, so investors should rest assured that DSW has an improving earnings outlook. But this is only part of the picture for value investors.Value investors analyze a variety of traditional, tried-and-true metrics to help find companies that they believe are undervalued at their current share price levels.Our Value category highlights undervalued companies by looking at a variety of key metrics, including the popular P/E ratio, as well as the P/S ratio, earnings yield, cash flow per share, and a variety of other fundamentals that have been used by value investors for years.DSW currently has a forward P/E ratio of 18.23, while SFIX has a forward P/E of 229.01. We also note that DSW has a PEG ratio of 2.03. This metric is used similarly to the famous P/E ratio, but the PEG ratio also takes into account the stock's expected earnings growth rate. SFIX currently has a PEG ratio of 15.27.Another notable valuation metric for DSW is its P/B ratio of 2.77. The P/B is a method of comparing a stock's market value to its book value, which is defined as total assets minus total liabilities. By comparison, SFIX has a P/B of 16.05.These metrics, and several others, help DSW earn a Value grade of B, while SFIX has been given a Value grade of F.DSW sticks out from SFIX in both our Zacks Rank and Style Scores models, so value investors will likely feel that DSW is the better option right now.Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report DSW Inc. (DSW): Free Stock Analysis Report Stitch Fix, Inc. (SFIX): Free Stock Analysis Report To read this article on Zacks.com click here.