<SEC-DOCUMENT>0000892712-21-000155.txt : 20210324
<SEC-HEADER>0000892712-21-000155.hdr.sgml : 20210324
<ACCEPTANCE-DATETIME>20210324161448
ACCESSION NUMBER:		0000892712-21-000155
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210322
FILED AS OF DATE:		20210324
DATE AS OF CHANGE:		20210324

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MURPHY MICHAEL JOHN
		CENTRAL INDEX KEY:			0001653663

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37641
		FILM NUMBER:		21768360

	MAIL ADDRESS:	
		STREET 1:		401 CHARMANY DRIVE
		CITY:			MADISON
		STATE:			WI
		ZIP:			53719

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DULUTH HOLDINGS INC.
		CENTRAL INDEX KEY:			0001649744
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-APPAREL & ACCESSORY STORES [5600]
		IRS NUMBER:				391564801
		FISCAL YEAR END:			0131

	BUSINESS ADDRESS:	
		STREET 1:		201 EAST FRONT STREET
		CITY:			MOUNT HOREB
		STATE:			WI
		ZIP:			53572
		BUSINESS PHONE:		608 424-1544

	MAIL ADDRESS:	
		STREET 1:		201 EAST FRONT STREET
		CITY:			MOUNT HOREB
		STATE:			WI
		ZIP:			53572
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-03-22</periodOfReport>

    <issuer>
        <issuerCik>0001649744</issuerCik>
        <issuerName>DULUTH HOLDINGS INC.</issuerName>
        <issuerTradingSymbol>DLTH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001653663</rptOwnerCik>
            <rptOwnerName>MURPHY MICHAEL JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>201 EAST FRONT STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MOUNT HOREB</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53572</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Chief Accounting Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2913</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12189</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Award of restricted stock granted under the 2015 Equity Incentive Plan of Duluth Holdings Inc. The shares of restricted stock vest in four equal annual installments commencing on March 22, 2022.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Dennis F. Connolly, as POA</signatureName>
        <signatureDate>2021-03-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
