A heavy responsibility is just that, a heavy responsibility. Just ask Cheech Martin and Tommy Chong, the comedy duo who found cultural success in the 1970s and 1980s with their stand-up routines, studio recordings and feature films, which were based on the hippie and free love era and their love for cannabis. Crafted in 100% cotton with a relaxed, roomy fit, this graphic T-shirt pays homage to the icons with its totally laid-back style.