![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://images2.minutemediacdn.com/image/fetch/w_2000,h_2000,c_fit/https%3A%2F%2Fhouseofhouston.com%2Fwp-content%2Fuploads%2Fgetty-images%2F2017%2F07%2F800651698-houston-astros-v-seattle-mariners.jpg.jpg)
Houston Astros Report: The evolution of the rainbow uniform revealed
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://s.hdnux.com/photos/06/30/14/1671989/4/rawImage.jpg)
Astros' rainbow uniforms still dazzle
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://staticg.sportskeeda.com/editor/2023/04/1038a-16806658908800-1920.jpg)
Houston Astros fans appalled by overbearing ad logo on team's uniforms: That oxy patch on the jerseys is offensively big Absolutely hideous
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://s.hdnux.com/photos/01/10/22/61/18951294/4/rawImage.jpg)
How each New Era 'Team Describe' MLB hat represents the city
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/fwp5czemb5s5yjekvgjv.jpg)
Astros rainbow uniform history
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/g7harumc3xyee0knmlfb.jpg)
Astros rainbow uniform history
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://thepecanparkeagle.files.wordpress.com/2018/11/2-phantom-astros-cap.jpg?w=584)
The Astros Cap That Never Was
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://sportsworld165.com/cdn/shop/products/ce6065c5-e9d7-4bf4-8280-ebe66da86229_580x.jpg?v=1666995873)
HOUSTON ASTROS 20TH ANNIVERSARY PROTOTYPE LOGO RED BRIM NEW ERA FITTED – Sports World 165
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://academy.scene7.com/is/image/academy/20106810?$pdp-gallery-ng$)
47 Houston Astros Rainbow State Cooperstown MVP Cap
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/v1605475015/mlb/edujvtwyqyc0owzbyuaz.jpg)
Astros rainbow uniform history
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://thepecanparkeagle.files.wordpress.com/2018/11/4-tom-griffin-wearing-1975-astros-prototype-uniform.jpg?w=584)
The Astros Cap That Never Was
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://staticg.sportskeeda.com/editor/2023/04/4af34-16806656599001-1920.jpg)
Houston Astros fans appalled by overbearing ad logo on team's uniforms: That oxy patch on the jerseys is offensively big Absolutely hideous
![Astros Daily on X: 1974 prototype of what became the #Astros' rainbow uniforms. Note the cap design, which was not adopted / X](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/waijxzyyi6uwqhmo1jam)
Astros rainbow uniform history