The product is a rare vintage Madrid skateboard designed by Mike Smith, known for its concave shape and lack of dots. It falls under the category of vintage skateboarding and sporting goods, appealing to collectors and enthusiasts looking for unique and high-quality decks. The brand Madrid is well-known in the skateboarding community for their durable and stylish boards, making this product a sought-after piece for those passionate about the sport. Independent trucks Powell Peralta Bones V-VI Street Cubic wheels.