Last spring, boat shoes were everywhere. Well it looks like they aren't leaving anytime soon because the nautical footwear versions this season are even better than the last. What was once worn only by sailors, working on the decks of boats has now made itself a staple in menswear. Trust us, your wardrobe will be missing something important if you think you can go without a pair. We've rounded up the best of the best, from Eastland and Thorocraft to the obvious Sperry Top-Siders and Sebago for you to choose from. Make this necessary addition with our feature, The 10 Best Boat Shoes for Spring 2011.