Nike & NBA BANS Ninja-Style Headbands!!! - YouTube
Sweat Ninja Head Band (White) – Nitretix
Nike claims the ninja style headbands "unprofessional" for NBA basketball, yet Rafael Nadal is rocking one in the US Open Men's final... with a Nike logo on it. : r/nba
NBA bans ninja-style headbands due to safety concerns - Sports Illustrated
Nike Dri-FIT Head Tie 3.0. Nike.com
Will the Ninja headband feature again this NBA season? – Grand Headbands
Mike Scott suggests Nike will not allow players to wear ninja-style headbands