From Gibson:

"The J-45™ is a truly legendary guitar. The world-famous Workhorse is Gibson's best-selling acoustic of all time. Now it is available in a new 12-string version. Featuring a mahogany body, Sitka spruce top, and mahogany neck, it has a SlimTaper™ neck profile for playing comfort, a bone nut and saddle, TUSQ® bridge pins, Grover® Mini Rotomatic® tuners, and comes equipped with LR Baggs™ VTC electronics, making it ready to deliver beautiful, chiming, 12-string tones on stage or in the studio, right out of the included Gibson hardshell case."

Vintage Sunburst, Round Shoulder J-45 body shape, Gloss nitrocellulose lacquer finish, Sitka Spruce top, Traditional hand scalloped X bracing, Multi-ply top and single-ply back binding, Mahogany back and sides, Slim taper shaped Mahogany neck with a 12” radius Rosewood fingerboard and standard frets, 24.75″ scale length, 1.875" nut width, Grover mini Rotomatic tuners, With the L.R. Baggs VTC pickup system and hardshell case