An article of footwear may have an upper with a knitted component. Alone or in combination, the knitted component may include regions with different degrees of stretch-resistance; the knitted component forms a collar with a half-gauge knit; the upper includes a strand with sections that are inlaid within the knitted component, and the sections are positioned immediately adjacent to each other; the strand forms a plurality of loops, pairs of the loops are positioned immediately adjacent to each other and configured to receive a lace; and the knitted component includes a thermoplastic polymer material, and the strand is unbonded to the thermoplastic polymer material.