69SLAM1 most popular underwear boxer shorts. The microfiber material is smooth to the touch, stretchy and adheres to the skin. It also dries quickly and has excellent durability, so it can be used as an inner layer for surf pants. About 69SLAM: Born in Bali, 2004. Available in more than 45 countries! Vivid colors, exciting patterns, and pure fun are all about 69SLAM. PLAY LOUD! "For people who live in good vibes only with good vibes