This shark t-shirt commemorates the 20th anniversary of The Discovery Channel's popular week-long special Shark Week. Design in black and yellow is distressed for a vintage look.

This retro-look design has a big shark fin and reads Big Shark Fan. A great, officially licensed Shark Week t-shirt for big shark fans.

A Great White Shark swims out of a blue blood splatter pattern in this Fierce shark lover t-shirt. From The Discovery Channel.

This officially licensed Shark Week logo t-shirt design is distressed for a vintage look. Discovery Channel's Shark Week is over 20 years old, and your t-shirt can look the age too.

This is a subtle t-shirt for shark lovers. Blue waves across the chest have a shark fin sticking out. Text reads There's Something in the Water.

Not all sharks are fierce, but the Great White Shark on this t-shirt sure looks fierce. A great shark t-shirt for shark lovers. Vintage look.