With the one-shell rule gone, here are all the alternate and throwback helmets NFL teams have unveiled so far - Footballscoop
Eagles will be able to wear kelly green alternates uniforms in 2022
The 2023 Uni Watch NFL Season Preview - by Paul Lukas
Philadelphia Eagles Roll Out Kelly Green Throwback Uniforms
All of the alternate and throwback helmets being debuted in the 2022 season : r/nfl
Ranking New NFL Helmets - Sideline Cue
Philadelphia Eagles Roll Out Kelly Green Throwback Uniforms
Philadelphia Eagles Roll Out Kelly Green Throwback Uniforms
Eagles owner confirms that they want to bring back kelly green uniforms – SportsLogos.Net News
Ranking New NFL Helmets - Sideline Cue