NFL approves alternate helmets beginning in 2022
Eagles to debut alternate black helmet during 2022 NFL season: 'Something us players always wanted'
NFL 2022: 14 NFL Teams to Wear New Uniforms and Helmets
Eagles to wear Kelly green alternate jerseys in 2023 season - CBS Philadelphia
Eagles reveal black alternate helmets for 2022 – NBC Sports Philadelphia
Eagles reveal when they'll debut new black helmets
The 2021 Uni Watch College Football Season Preview - InsideHook
Philadelphia Eagles set to debut new black helmet for 2022 • Sports Logos - Embroidery & Vector for NFL, NBA, NHL, MLB, MiLB, and more!
Saints unveil new special black helmet
NFL 2022: 14 NFL Teams to Wear New Uniforms and Helmets
Eagles black helmets: Here's when the team will debut their new look
NFL uniforms 2019: Uni Watch changes, design updates - Sports Illustrated