The online shopping industry is currently booming, and according to Four-Pins, research shows that business is expected to increase to a whopping $327 billion by the year 2016. Not everyone shops online, but for the guys that do here is an awesome list that should point you in the right direction. MR PORTER tops the list at number one, followed by Tres Bien Shop and Union LA. Other featured shops include End Clothing, Norse Store and Gilt. Head on over to Four-Pins for the entire list.