Touring with Rebelution, Shwayze and Cisco Adler, the tour’s first leg begins in Missoula, Mont., at Big Sky Brewery July 21 and includes stops in California, Oregon, Washington, Idaho, Utah and Colorado. Last show listed on the first leg takes place in Morrison, Colo., near Denver at Red Rocks Amphitheatre Aug. 6.

The tour reemerges four days later on the East Coast in Asbury Park, N.J., at the Stone Pony Summer Stage Aug. 10. Other new destinations include Philadelphia at Penn’s Landing Aug. 12; Boston’s Bank Of America Pavilion Aug. 13; New York at Governor’s Island Aug. 14; Baltimore’s Pier Six Concert Pavilion Aug. 17; Cocoa Beach, Fla., at the Beach Pier Aug. 19; Atlanta at Masquerade Music Park Aug. 24 and North Carolina’s Raleigh Amphitheatre Aug. 25. Last stop is Chicago’s Charter One Pavilion Aug. 27.

A pre-sale is going on now through the Slightly Stoopid website. Ticket sales for shows on the second leg begin this weekend. The band also has a couple shows from the first leg going up in the next few days with its Jacksonville, Ore., stop going on sale May 19 and its July 30 appearance at the Cricket Wireless Amphitheatre in Chula Vista, Calif., going on sale May 21. Check out SlightlyStoopid.com and SeedlessSummerTour.com for more information.