Where can one purchase mens formal clothing to wear?

Depending on the type of formal clothing desired, there are numerous places to purchase from. Amazon, eBay and other online retailers will have a wide array of clothing and styles to choose from. Department stores like JC Penny's and Macy's will have a great selection as well. Then there are local specific suit, or formal wear stores that will have a customization area, to get the best possible fit for all body styles.