Colorado State Rams

​2021
2021 Game 2 vs Vanderbilt
​2022 Game 4
​1st Photo

2021
2021 Game 2 vs Vanderbilt
2022 Game 4
​2nd Photo

2021
2021 Game 2 vs Vanderbilt
​2022 Game 4
3rd Photo

2019
2019 Game 6 vs San Diego State
150 Logo on back of helmet celebrating University's 150th anniversary
1st Photo

​2019
 2nd Photo

​2019
3rd Photo

​2019; 2021-Current
2019 Game 9
​2021 Game 12
​2022 Game 7
Same helmet as 2017 Game 11
1st Photo

​2019; 2021-Current
2019 Game 9
​2021 Game 12
​2022 Game 7
Same helmet as 2017 Game 11
2nd Photo

2017
2017 Game 11 vs Boise State
Logo is from state flag
​1st Photo

2017
2017 Game 11 vs Boise State
Logo is from state flag
​2nd Photo

​2017-Current
2017 Game 13
2018 Games 3-4, 6, 8-10, 12
2019 Games 5, 7-8, 11
2020 Games 1, 4
​2021 Games 4-5, 7
2022 Game 3
​1st Photo

​2017-Current
2017 Game 13
2018 Games 3-4, 6, 8-10, 12
2019 Games 5, 7-8, 11
2020 Games 1, 4
2021 Games 4-5, 7
2022 Game 3
​​2nd Photo

2014-19
2014 Games 5 and 13
2015 Game 1
2016 Games 3
2017 Game 3
2018 Game 5
2019 Game 4
1st Photo

2014-19
2014 Games 5 and 13
2015 Game 1
2016 Games 3
2017 Game 3
2018 Game 5
2019 Game 4
2nd Photo

2014-19
2014 Games 5 and 13
2015 Game 1
2016 Games 3
2017 Game 3
2018 Game 5
2019 Game 4
3rd Photo

​2007
2007 Game 2 vs Cal
1st Photo

​2007
2007 Game 2 vs Cal
​2nd Photo

​1995-Current
1995-2006 All Games
2007 Games 1, 3-12
2008-13 All Games
2014 Games 1-4, 5-12
2015 Games 2-13
2016 Games 1-2, 4-13
2017 Games 1-2, 4-10, 12
2018 Games 1-2, 7, 11
2019 Games 1-3, 10, 12
2020 Games 2-3
2021 Games 1, 3, 6, 8-11
​2022 Games 1-2, 5-6, 8-10
1st Photo from 2019

​1995-Current
1995-2006 All Games
2007 Games 1, 3-12
2008-13 All Games
2014 Games 1-4, 5-12
2015 Games 2-13
2016 Games 1-2, 4-13
2017 Games 1-2, 4-10, 12
2018 Games 1-2, 7, 11
2019 Games 1-3, 10, 12
2020 Games 2-3
​2021 Games 1, 3, 6, 8-11
​2022 Games 1-2, 5-6, 8-12
​2nd Photo from 2019

​1995-Current
1995-2006 All Games
2007 Games 1, 3-12
2008-13 All Games
2014 Games 1-4, 5-12
2015 Games 2-13
2016 Games 1-2, 4-13
2017 Games 1-2, 4-10, 12
2018 Games 1-2, 7, 11
2019 Games 1-3, 10, 12
2020 Games 2-3
​2021 Games 1, 3, 6, 8-11
​2022 Games 1-2, 5-6, 8-12
3rd Photo from 2019

​1995-Current
1995-2006 All Games
2007 Games 1, 3-12
2008-13 All Games
2014 Games 1-4, 5-12
2015 Games 2-13
2016 Games 1-2, 4-13
2017 Games 1-2, 4-10, 12
2018 Games 1-2, 7, 11
2019 Games 1-3, 10, 12
2020 Games 2-3
2021 Game 1, 3, 6, 8-11
​2022 Games 1-2, 5-6, 8-12
4th Photo from 2011

​1995-Current
1995-2006 All Games
2007 Games 1, 3-12
2008-13 All Games
2014 Games 1-4, 5-12
2015 Games 2-13
2016 Games 1-2, 4-13
2017 Games 1-2, 4-10, 12
2018 Games 1-2, 7, 11
2019 Games 1-3, 10, 12
2020 Games 2-3
​2021 Games 1, 3, 6, 8-11
​2022 Games 1-2, 5-6, 8-12
5th Photo from 2002

​​1995-Current
1995-2006 All Games
2007 Games 1, 3-12
2008-13 All Games
2014 Games 1-4, 5-12
2015 Games 2-13
2016 Games 1-2, 4-13
2017 Games 1-2, 4-10, 12
2018 Games 1-2, 7, 11
2019 Games 1-3, 10, 12
2020 Games 2-3
​2021 Games 1, 3, 6, 8-11
2022 Games 1-2, 5-6, 8-12
6th Photo from 1996

​1993-94

1982-92

​1974-81
I'm estimating they went to the regular thickness (and more consistent) in 1974.
​

​1974-81
2nd Photo

​1973
Colorado State introduced a new design in 1973.  The ram horns varied in width.  In 1973 they were both very thin and very thick.
This photo is from Game 1 vs Arizona.

​1973
A 2nd photo from the Arizona Game.

​1973
This photo and the one following are in the same picture so you can see the thin horn and thick horn were used in the same game.

1973

​1973
This photo is from Game 11 vs New Mexico (last game of the year) and shows a thicker horn.

1970-72
The base helmet was a plain yellow/gold helmet.
1st Photo

​1971-72
There was significant use of award stickers (ram horns) that appeared across the entire helmet.
​1st Photo

1971-72
There was significant use of award stickers (ram horns) that appeared across the entire helmet.
​2nd Photo

1971-72
There was significant use of award stickers (ram horns) that appeared across the entire helmet.
​3rd Photo

1970
Some players had a single ram horn on the side of the helmet

1969
100th CFB Anniversary Logo both sides

1965-68
Same helmet as 1962-63

1964
1st Photo

​1964
2nd Photo

​1964
3rd Photo

1962-63

1959-61

1958
1st Photo

1958
2nd Photo

1957
White/tan lining around rim of helmet

1951-56

1950

1949
1st Photo

1949
2nd Photo Back of Helmet

1941-42; 1945-48
1943-44 No Football Team
​1st Photo

1941-42; 1945-48
1943-44 No Football Team
​2nd Photo Back of Helmet

1940

1934-39

1930-33