Cover Page - USD ($)	12 Months Ended
	Dec. 28, 2019	Feb. 07, 2020	Jun. 28, 2019
Cover page.
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 28, 2019
Document Transition Report	false
Entity File Number	001-38713
Entity Registrant Name	YETI Holdings, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	45-5297111
Entity Address, Address Line One	7601 Southwest Parkway
Entity Address, City or Town	Austin
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78735
City Area Code	512
Local Phone Number	394-9384
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	YETI
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 1,137,608,546
Entity Common Stock, Shares Outstanding		86,786,443
Entity Central Index Key	0001670592
Amendment Flag	false
Current Fiscal Year End Date	--12-28
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY