From Martin:

“A distinctive three-piece back and antique white binding around the fingerboard set it apart. Expressive quarter-inch straight bracing gives it balance and power for any situation. Premium East Indian rosewood, Sitka spruce, and a timeless Dreadnought shape have made it the choice for pickers, strummers, and players from JOHNNY CASH to Seth Avett. Also available in Sunburst and Ambertone finish.”

Natural, D-14 Fret body shape, Solid Sitka Spruce top, Non-scalloped forward shifted X bracing, Multi-stripe Rosette, Antique White binding with the multi-stripe top/back/side inlay, Solid 3 piece East Indian Rosewood back and solid East Indian Rosewood sides, Style 35 back purfling, Ebony fingerboard with the Mother of Pearl Style 28 position markers on a modified low oval w/high performance taper shaped select hardwood neck, 25.4 scale length, 1 3/4 nut width, With hardshell case