Footwear with asymmetrical collar

An article of footwear, comprising:

• a first end portion;
• a second end portion opposite the first end portion;
• and
• an upper extending between the first end portion and the second end portion, the second end portion of the upper comprising:
• a medial side and a lateral side opposite the medial side;
• and
• an asymmetrical collar foam configured to contour to a foot of a wearer, wherein the asymmetrical collar foam has a top edge extending between lateral and medial sides of the asymmetrical collar foam, the top edge including a convex portion between two concave portions, and a height of an uppermost portion of the medial side is greater than a height of an uppermost portion of the lateral side and greater than a height of the convex portion of the asymmetrical collar foam.

An article of footwear, comprising:

• a first end portion;
• a second end portion opposite the first end portion;
• and
• an upper extending between the first end portion and the second end portion, the second end portion of the upper comprising:
• a medial side and a lateral side opposite the medial side;
• and
• a collar portion disposed at the second end portion, wherein the collar portion comprises:
• a top foam layer comprising a low density polyurethane foam, wherein the top foam layer includes a lateral side portion and a medial side portion separate from one another by a gap;
• a middle layer comprising a thermoplastic polyurethane foam;
• and
• a bottom foam layer comprising the low density polyurethane foam of the top foam layer.