Multiple layer knitted components having multi-bed area

An upper for an article of footwear, the upper comprising:

• a knitted component having an integral one-piece knitted construction, the knitted component comprising:
• a knitted loop structure for a fastening system of the upper, the knitted loop structure formed by a first knitted layer and a second knitted layer that at least partially overlapping the first knitted layer,
• wherein the knitted loop structure includes a passageway in which the first knitted layer and the second knitted layer are freely separable, and, in an area adjacent the knitted loop structure, the first knitted layer and the second knitted layer are connected by interloping at least one yarn of the first knitted layer with at least one yarn of the second knitted layer,
• wherein the passageway of the knitted loop structure extends between a first opening defined at least partially by a first edge of the first knitted layer and a second opening defined at least partially by a second edge of the second knitted layer, the first edge and the second edge each extending in a course-wise direction, and
• wherein the passageway extends in a wale-wise direction between the first opening and the second opening.