It was released on 23 March 2001 through Victor Entertainment.

[3] In April 2001, it was certified Quadruple Platinum by the Recording Industry Association of Japan for shipments of 1,600,000 units.

[4] Smap Vest was the seventh best-selling album of 2001 in Japan, with over 1,679,000 copies sold by the end of the year.

As of December 2016, the album has sold 1,827,000 copies in Japan.

[3] The album won the Japan Gold Disc Award for Pop Album of the Year at the 16th Japan Gold Disc Awards.