Custom  T-shirts are a great way to get your business known and give you a bit of free advertising as well. Everyone from your customers to your employees will love wearing these designer T-shirts with the company logos on them. By advertising your products on shirts you give to your employees, they become walking free advertisement. With this kind of great advertising, how can you expect your sales to do anything but increase? One tactic for keeping your team happy and cohesive is giving your staff free T-shirts.