SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO

RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO RULE 13d-2(b)

Aéropostale, Inc.

(Name of Issuer)

Common Stock, $0.01 par value

(Title of Class of Securities)

007865108

(CUSIP Number)

January 15, 2014

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x Rule 13d-1(b)

x Rule 13d-1(c)

¨ Rule 13d-1(d)

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SCHEDULE 13G

This Schedule 13G (this “Schedule 13G”) is being filed on behalf of Hirzel Capital Management, LLC, a Texas limited liability company (“Hirzel Capital”), Hirzel Capital Master Fund, L.P., a Cayman Islands exempted limited partnership (the “Fund”), and Mr. Zac S. Hirzel, the principal of Hirzel Capital, relating to Common Stock, $0.01 par value (the “Common Stock”), of Aéropostale, Inc., a Delaware corporation (the “Issuer”).

This Schedule 13G relates to Common Stock of the Issuer purchased by the Fund and the accounts of certain other private funds (collectively, the “Hirzel Accounts”). The Fund may direct the vote and disposition of the 4,262,346 shares of Common Stock that it holds directly. Hirzel Capital serves as the general partner or managing member of the Hirzel Accounts and may direct the vote and disposition of the 4,728,665 shares of Common Stock held by the Hirzel Accounts. As the principal of Hirzel Capital, Mr. Hirzel may direct the vote and disposition of the 4,728,665 shares of Common Stock held by the Hirzel Accounts. The shares of Common Stock held by the Hirzel Accounts reported on this Schedule 13G were previously reported on a Schedule 13D filed on November 19, 2013.

Aéropostale, Inc.

112 W. 34th Street

New York, New York 10120

Hirzel Capital Management, LLC (“Hirzel Capital”), Hirzel Capital Master Fund, L.P. (the “Fund”) and Mr. Zac S. Hirzel.

3963 Maple Avenue, Suite 170

Dallas, TX 75219

Hirzel Capital is a limited liability company organized under the laws of the State of Texas. The Fund is an exempted limited partnership organized under the laws of the Cayman Islands. Mr. Hirzel is the principal of Hirzel Capital, and is a United States citizen.

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Common Stock, $0.01 par value (the “Common Stock”).

007865108

If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a:

Hirzel Capital and Mr. Hirzel are the beneficial owners of 4,728,665 shares of Common Stock held by the Hirzel Accounts.

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Hirzel Capital and Mr. Hirzel are the beneficial owners of 6.0% of the outstanding Common Stock.

These percentages are determined by dividing the number of shares of Common Stock beneficially owned by each of the Reporting Persons by 78,493,719, the number of shares of Common Stock issued and outstanding as of November 29, 2013, as reported in the Issuer’s most recent Form 10-Q filed on December 11, 2013.

Hirzel Capital, as the general partner or managing member of the Hirzel Accounts, may direct the vote and disposition the 4,728,665 shares of Common Stock held by the Hirzel Accounts. As the principal of Hirzel Capital, Mr. Hirzel may direct the vote and disposition of the 4,728,665 shares of Common Stock held by the Hirzel Accounts.

Inapplicable.

Inapplicable.

Inapplicable.

Inapplicable.

Inapplicable.

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For the Fund:

By signing below each of the Reporting Persons certifies that, to the best of such person’s knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

For Hirzel Capital and Mr. Hirzel:

By signing below each of the Reporting Persons certifies that, to the best of such person’s knowledge and belief, the securities referred to above were acquired and held in the ordinary course of business and were not acquired and were not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Joint Filing Agreement dated January 15, 2014, by and among Hirzel Capital, the Fund and Mr. Hirzel.

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SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: January 15, 2014

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Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Common Stock, $0.01 par value, of Aéropostale, Inc., a Delaware corporation, and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filings.

The undersigned further agree that each party hereto is responsible for the timely filing of such Statement on Schedule 13G and any amendments thereto, and for the accuracy and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy or completeness of the information concerning any other party, unless such party knows or has reason to believe that such information is inaccurate.

This Joint Filing Agreement may be signed in counterparts with the same effect as if the signature on each counterpart were upon the same instrument.

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of January 15, 2014.