The interiors are either Black (cloth, leatherette) or gray (leatherette). Leatherette is only available with Statement and Gradient packages (Standard package will be black cloth only).
The build configurator will show which exterior/interior combinations are available by package. For Glacier White Metallic, you options are black cloth (Standard package) and black or gray leatherette in the Statement and Gradient packages. Moonstone Gray, Scale Silver and King's Red are only available with black.