Cover - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2021	Apr. 09, 2021	Jul. 31, 2020
Cover [Abstract]
Entity Registrant Name	LAKELAND INDUSTRIES, INC.
Entity Central Index Key	0000798081
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Jan. 31, 2021
Entity Filer Category	Accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		8,027,177
Entity Public Float			$ 186.3
Entity File Number	0-15535
Document Annual Report	true
Document Transition Report	false
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	13-3115216
Entity Address Address Line 1	202 Pride Lane SW
Entity Address City Or Town	Decatur
Entity Address State Or Province	AL
Entity Address Postal Zip Code	35603
Security 12b Title	Common Stock
Trading Symbol	LAKE
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
City Area Code	256
Local Phone Number	350-3873