Years	Decal	Shell	Mask	Stripes L to R	Stripe Width
?-1961	white? player's #	black	gray	gold?	1/2"
1962-1967-?	black player's #	gold	gray	black	1/2"
?-1969-?	gold P inside white football shaped oval.	gold	gray	black	1/2"
?-1973-1979	black P, no ol	gold	gray	black	1/2"
1980	black P, no ol	gold	black	black	1/2"
1981-1983	black P w/ thin white ol	gold	black	white/ black/ white	1/4"- 1/2"- 1/4"
1984-1987	black P w/ thin white ol	gold	black	black/ white/ black	1/4"- 1/2"- 1/4"
1988*	black P w/ thin white ol	gold	black	white/ black/ white	3/8"- 1/2"- 3/8"
1989-1990	gold P w/ thin white ol	black	black	white/ gold/ white	3/8"- 1/2"- 3/8"
1991-1995*	black P w/ thin white ol	gold	black	white/ black/ white	3/8"- 1/2"- 3/8"
1996	black, slanted P w/ thin white ol	gold	black	white/ black/ white	3/8"- 1/2"- 3/8"
1997-current	black, slanted P w/ thin white ol	gold - pale	black	black/white/ black	1/4"- 1/2"- 1/4"
2000 (special)#	black, slanted P w/ thin white ol over top red rose with green leaves and stem w/ black detail	gold - pale	black	black/ white/ black	1/4"- 1/2"- 1/4"

* same helmet design
# - worn Jan 1. 2001 in the Rose Bowl against Washington.

Purdue 1961	Purdue 1967	Purdue 1969	Purdue 1978
Purdue 1982	Purdue 1985	Purdue 1989	Purdue 1995
Purdue 1996	Purdue 2000	Purdue Rose Bowl