Starting with Riddell, the company created a limited-edition football helmet inspired by Master Chief's green and gold Mjolnir armor. The helmet costs $1000, and it's for display use only--Riddell ...

Riddell was founded in 1929 by John T. Riddell who invented gear such as removable football cleats and plastic helmet shells. Fenway Partners acquired Riddell Sports Group in 2003 and combined it ...