The Xenith Shadow it is.
According to Adam Schefter of ESPN, Oakland Raiders wide receiver Antonio Brown will play in the Xenith Shadow helmet during the 2019 season after an offseason of multiple lost grievances, crowdsourcing on Twitter for new models and helmet discussions on HBO's Hard Knocks.
Schefter noted the seven-time Pro Bowler believes this model "makes him feel more agile and comfortable, and allows for better visibility" than the Schutt AiR Advantage.
This article will be updated to provide more information on this story as it becomes available.