Slam Jam x Grailed Longsleeve T-Shirt in Black. To celebrate Milan and Paris Fashion Week in June 23, Slam Jam and Grailed team up for the second time with this exclusive collaborative long-sleeve t-shirt. Made of 100% cotton, featuring a ribbed crewneck, relaxed fit, graphic print at the front, co-branding logo printed at the back, and a woven flag label at the side seam. Proudly made in Italy.