Article of footwear with multiple layers, retention system for an article of footwear, and methods of manufacture

An article of footwear, comprising:

• a knitted component with a retention system, the retention system including a plurality of first yarns,
• wherein each of the first yarns includes a first floating portion located in a first zone of the knitted component, the first zone located on at least one of a medial side and a lateral side of the article of footwear,
• wherein the retention system is movable from a first state to a second state, and
• wherein in the first state, the floating portions of the first yarns have slack.

A method of knitting a knitted component, comprising:

• forming a knitted layer at least partially from a plurality of first yarns;
• and
• forming a plurality of floating portions of the first yarns in a retention zone, the retention zone including a plurality of second yarns,
• wherein the retention zone is movable from a first state to a second state,
• wherein the floating portions of the first yarns have slack in the first state, and
• wherein the plurality of second yarns bias the retention zone to the first state.