Mon Latest order from OldNavy , 2 pair of jeans in size 18 reg , arrived . Tried them on . The " flair " leg ones fit . But the " bootleg " ones got stuck at my calve .

Available choices:
(1). They were made wrong;
(2). One was the wrong size;
(3). They were for someone else;
(4). They were too big at the calve;
Answer the following question: Why did n't both jeans fit ?
(2).