Third jersey - Wikipedia
NFL Uniforms (Updated 2023): Colts, Jets, Broncos, Eagles, and More Changes Coming
Summer of Throwbacks
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
NFL rescinds one-helmet rule: Here are nine classic throwback uniforms that could return under new policy
The inside story of how the Kelly Green uniforms became a reality
Philadelphia Eagles Confirm Return Of Kelly Green Throwback Uniforms In 2023 – SportsLogos.Net News
What do you think of these Eagles retro concept uniforms? - Bleeding Green Nation