Adidas Mid Forum Black on White Size 7 Mens Details Product #: FY7939 Originals Forum Mid. Created from recycled materials, these adidas Originals shoes bring back the unmistakable style of the originals in a coated leather version with a heritage style hook-and-loop strap. adidas Originals Forum Mid features: Lace closure with adjustable strap offer an adjustable fit. Leather upper offers durability. Rubber outsole provides slip-resistance.