Ask Farmer: Explaining the purpose of the referee's black wristbands - Los Angeles Times
What Is The String On a NFL Refs Hand? (and much more about referee equipment) - YouTube
NFL100: Before they were zebras, they were … candy canes? – Football Zebras
official equipment – Football Zebras
The Real Reason NFL Referees Wear Black and White
Rawlings Men's Football Referee Jersey | Academy
NFL playoffs: what is the salary of an NFL referee for Wild Card games? - AS USA
Fashion statement: NFL refs to sport new uniforms
Officials' Responsibilities & Positions | NFL Football Operations
1960's Jim Tunney Game Worn NFL Referee Jersey. ... Football | Lot #51347 | Heritage Auctions
Pereira: Players won't be the only ones battling the Lambeau cold | FOX Sports
Steed Among the First All African-American NFL Officiating Crew to Work MNF - Howard University Athletics
What to expect from NFL officiating in 2020 - coronavirus protocols, electronic whistles and inexperience
United Attire Football Referee Shirt - 2" Stripe
Claims of NFL referee in Bengals-Chiefs game being investigated are not true | WKRC
Rodger Sherman on Twitter: "what material are NFL referee uniforms made out of? I have never seen an item of clothing this wet https://t.co/lltyIEMWjj" / Twitter
Super Bowl 2023: Referee Carl Cheffers assigned for Chiefs-Eagles game