According to Matt Moret of The Athletic, the league banned seven different helmet models. Ten other models were also deemed “Guardian Cap optional ... Guardian Caps in practice last season ...

MADISON, Wis. (WSAW) - A study of 2,610 Wisconsin high school football players found that wearing soft-shell helmet covers, marketed as Guardian Cap helmet devices, during practice had no effect ...

Taylor, 25, is already mandated to have a Guardian Cap on during practice ... And can they solve football's concussion problem? A Guardian Cap is a soft-shell helmet cover that fits over a ...

Among the notable changes this year is the number of helmets now designated as “Guardian Cap optional,” meaning they perform well enough that the league will not require players with those ...