Socks are an afterthought in many people’s wardrobes. Color is often the main consideration. But once you become a walker, good socks become a necessity-and they don’t cost much more than plain old socks. Here’s what to look for:

Foot fit. The fit of walking socks is as important as the fit of walking shoes. Too tight, and they become constricting. Too loose, and they bunch up, causing irritation and increasing risk of blisters. In general, the right sock size for you is one to two sizes larger than your shoe size. Read sock packaging for specifics about fit.
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