Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information - shares
9 Months Ended
Oct. 31, 2017
Dec. 14, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Oct. 31, 2017  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Entity Registrant Name NAKED BRAND GROUP INC.  
Entity Central Index Key 0001383097  
Current Fiscal Year End Date --01-31  
Entity Filer Category Smaller Reporting Company  
Trading Symbol NAKD  
Entity Common Stock, Shares Outstanding   10,342,191