Years	Decal	Shell	Mask	Stripes L to R	Stripe Width	Mini
?-1958-?	black player's #	white	gray	black	1/2"
?-1965-?	white players #	black	gray	orange	1/2"
?-1972	black, diagonal "OSU"	white	gray	orange/ black/ orange	3/8"- 1/2"- 3/8"
1973-?	white "OSU" - S larger than "O" and "U"	burnt orange	gray	white	1/2"	T^
?-1979-1980-?	white "OSU" - S larger than "O" and "U"	burnt orange	white	none?
1981-1983	white "OSU" - S larger than "O" and "U"	black	black	none		T
1984-1992*	orange "OSU" w/ black ol - S larger than "O" and "U"	white	white	none		S, T
1993-1994	black "OSU" w/ orange ol - S larger than "O" and "U"	white	white	none		RR
1995-2000*	orange "OSU" w/ black ol - S larger than "O" and "U"	white	white	none		S, T
2001-current	forward slanting new styled, orange "OSU" w/ black ol - S larger than "O" and "U"	white	white	none

Notes:
* - Same helmet design
^ - The shell color used is more orange than burnt orange. T-Mac just used the best color available here.

Credits:
Thanks to Rob N. for the '58 info.
Thanks to Shane C. for much of the year data since 1984.

Oklahoma St. 1965	Oklahoma St. 1972	Oklahoma St. 1973	Oklahoma St.1980
Oklahoma St. 1983	Oklahoma St. 1998	Oklahoma St. 2001