The two Best Days in a Boater's Life. The day he buys a boat, and the day his wife falls off it. Printed on 6.1 oz. Pre-Shrunk 100% Cotton express yourself with this Amphibious Outfitters T-Shirt. When it comes to stylish men's t-shirts, you know that you can always rely on Amphibious Outfitters to produce a men's t-shirt that will leave you feeling well-dressed and confident.