The Seahawks’ throwback uniforms will return on Week 6 when they head to Denver to play the Broncos. It’s set to be a throwback night with the Broncos announcing that they will wear their throwback uniforms too. pic.twitter.com/3E5VsGqMcL — Denver Broncos (@Broncos) August 11, 2026The Broncos’ throwback attire pays tribute to their 1977 season with orange jerseys and blue helmets. This season will be the second time the Seahawks face the Broncos in their throwback uniforms. AdvertisingSeattle’s throwback uniforms were the result of a two-year design process after the NFL changed its one-helmet rule in 2021.