PBA and NBA World - Nike has reportedly banned the "Ninja-Styled" headbands in the NBA. The company thought that this "new trend" seems unprofessional. Notable players, especially coming from last year's Sixers
Dallas Mavs Daily on Twitter: "This season, Karate Kid Nike headbands have taken over the league's fashion. https://t.co/ELpCWc9l7z" / Twitter
Nike Dri-FIT Head Tie. Nike.com
Suddora Daniel-San Lotus Tie Headband - Fashion, Summer, Karate, Outdoor and Sports
What's the deal with the NBA dress code? Custom sneakers, headbands, Russell Westbrook and turtlenecks | South China Morning Post
Nike Dri-FIT Head Tie. Nike.com
Karate Kid Bandana Headband - Movie Replica
NBA bans ninja-style headbands due to safety concerns - Sports Illustrated
Amazon.com: Nike Premier Home and Away Headband (Black/Matte Silver, Osfm) : Clothing, Shoes & Jewelry