With the warm weather peeking its head out, a fierce bunch of Roots of Fight shirts are released as their spring collection for 2014. Featuring the Bruce Lee JKD, Lennox Lewis Kronk, Gracie 1952, and Royce 1 Photo shirts, this collection boasts a variety of styles that will keep you looking great even through the summer. Premium cotton pairs with a vintage, old school vibe to create a look in each design that feels unique and memorable. Pair that with the fact that these tees celebrate martial arts heroes such as Bruce Lee, Lennox Lewis, and Royce Gracie, and any MMA fan will be mesmerized by the simple style put forth by these great new tees. Take a peek at the collection below, and scoop up some MMA tees for the season ahead.