Under the Securities Exchange Act of 1934
(Amendment No. 1)*

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. x

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(1)  Percentage ownership is based upon 27,123,598 outstanding shares of Common Stock of the Issuer as of January 22, 2018, as reported in the Issuer’s Final Prospectus dated January 17, 2018 filed with the Securities and Exchange Commission (the “SEC”) on January 19, 2018, giving effect to the issuance of 63,441 shares upon the exercise of the underwriters’ option to purchase additional shares, which was announced in the Issuer’s Current Report on Form 8-K filed with the SEC on January 19, 2018.

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(2)  Percentage ownership is based upon 27,123,598 outstanding shares of Common Stock of the Issuer as of January 22, 2018 as reported in the Issuer’s Final Prospectus dated January 17, 2018 filed with the SEC on January 19, 2018, giving effect to the issuance of 63,441 shares upon the exercise of the underwriters’ option to purchase additional shares, which was announced in the Issuer’s Current Report on Form 8-K filed with the SEC on January 19, 2018.

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(3)  Percentage ownership is based upon 27,123,598 outstanding shares of Common Stock of the Issuer as of January 22, 2018, as reported in the Issuer’s Final Prospectus dated January 17, 2018 filed with the SEC on January 19, 2018, giving effect to the issuance of 63,441 shares upon the exercise of the underwriters’ option to purchase additional shares, which was announced in the Issuer’s Current Report on Form 8-K filed with the SEC on January 19, 2018.

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SCHEDULE 13D

This Amendment No. to Schedule 13D relates to the beneficial ownership of the common stock, par value $0.0001 per share (the “Common Stock”), of Boot Barn Holdings, Inc., a Delaware corporation (the “Issuer”), by FS Capital Partners VI, LLC (“FS Capital”), FS Equity Partners VI, L.P. (“FSEP”), and FS Affiliates VI, L.P. (“FSAF” and, collectively, the “Reporting Persons”) and amends and supplements the Schedule 13D originally filed by the Reporting Persons on February 19, 2016 (the “Statement”). Unless otherwise indicated, each capitalized term used but not defined herein shall have the meaning assigned to such term in the Statement.  Responses to each item of this Statement on Schedule 13D are incorporated by reference into the response to each other item, as applicable.

Item 1. Security and Issuer.

Item 2. Identity and Background.

Item 3. Source and Amount of Funds or Other Consideration.

Item 4. Purpose of Transaction.

Item 5. Interest in Securities of the Issuer.

Item 5 is hereby amended and supplemented as follows:

The percentages of outstanding shares of Common Stock of the Issuer reported in this Item 5 are based on the assumption that there are 27,123,598 shares outstanding, which is the number of shares of Common Stock reported by the Issuer in its Final Prospectus dated January 17, 2018 filed with the SEC on January 19, 2018, giving effect to the issuance of 63,441 shares upon the exercise of the underwriters’ option to purchase additional shares, which was announced in the Issuer’s Current Report on Form 8-K filed with the SEC on January 19, 2018.

On January 22, 2018, FSEP and FSAF sold 6,152,275 and 261,341 shares of Common Stock, respectively, pursuant to an underwritten offering (the “Offering”), as described in the Issuer’s Final Prospectus dated January 17, 2018 (File No. 333-221728) filed pursuant to Rule 424(b)(7) under the Securities Act of 1933, as amended, with the SEC on January 19, 2018, and the underwriting agreement dated as of January 17, 2018 (the “Underwriting Agreement”), among the Issuer, the selling stockholders named therein (the “Selling Stockholders”), and J.P. Morgan Securities LLC, Piper Jaffray & Co. and Jefferies LLC, as representatives (the “Representatives”) of the underwriters named therein (the “Underwriters”).  Following the sale of the shares of Common Stock by FSEP and FSAF, FSEP and FSAF are the record holders of an aggregate of 6,735,648 and 286,123 shares of Common Stock, respectively, which represents approximately 24.83% and 1.05%, respectively, of the Issuer’s outstanding Common Stock.

(a)           Amount Beneficially Owned by each Reporting Person and Percent of Class:

(b)           Voting and Dispositive Power.

The Reporting Persons may be deemed to beneficially own in the aggregate (within the meaning of Rule 13d-3(a) of the Exchange Act) 7,021,771 shares of Common Stock. The aggregate number of shares of Common Stock beneficially owned by the Reporting Persons constitutes approximately 25.89% of the shares of such class deemed outstanding as of January 22, 2018.

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The Reporting Persons may be deemed to have direct beneficial ownership of shares of Common Stock of the Issuer as follows:

FS Capital, by virtue of being the sole general partner of FSEP and FSAF, may be deemed to have sole voting and dispositive power with respect to 7,021,771 shares of Common Stock.  FSEP disclaims beneficial ownership of the shares of Common Stock held by FSAF.  FSAF disclaims beneficial ownership of the shares of Common Stock held by FSEP.

(c)           Other Transactions:

(d)           Interests in Other Persons:

Not applicable

(e)           Date Upon Which the Reporting Person Ceased to be the Beneficial Owner of More Than Five Percent of Class:

Not Applicable

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.

Item 6 is hereby supplemented as follows:

Underwriting Agreement

On January 17, 2018, the Issuer, the Selling Stockholders, and the Underwriters, entered into the Underwriting Agreement with respect to, among other things, the sale by the Selling Stockholders of up to an aggregate of 6,900,000 shares of Common Stock of the Issuer.  Closing of the sale of the shares of Common Stock occurred on January 22, 2018.

Lock-up Agreement

In connection with the Offering, each of FSEP and FSAF entered into a lock-up agreement (the “Lock-Up Agreement”) with the Representatives, pursuant to which each of FSEP and FSAF agreed that for the period from January 16, 2018 through and including March 18, 2018 (the “Lock-Up Period”), except with the prior written consent of the Representatives, each of FSEP and FSAF would not, among other things and subject to certain exceptions, (1) offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock, or any securities convertible into or exercisable or exchangeable for Common Stock or publicly disclose the intention to make any offer, sale, pledge or disposition; or (2 enter into any swap or other agreement that transfers, in whole or in part, any of the economic consequences of ownership of the Common Stock or such other securities, whether any such transaction described in clause (1) or (2) above is to be settled by delivery of Common Stock or such other securities, in cash or otherwise, or (3) make any demand for or exercise any right with respect to the registration of any shares of Common Stock or any security convertible into or exercisable or exchangeable for Common Stock.

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The summaries of the Underwriting Agreement and the Lock-Up Agreement as described in this Item 6 do not purport to be complete and are qualified in their entirety by reference to those agreements.  The Underwriting Agreement, which includes a form of Lock-up Agreement, is filed herewith as Exhibit 1 to this Amendment No. 1 to Schedule 13D, and is incorporated herein by this reference.

Item 7. Material to be Filed as Exhibits.

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SIGNATURES

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

Date: January 26, 2018

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