American Football NCAA Rule 1-4-7

Illegal equipment includes the following (See Appendix E for additional details):
a. Equipment worn by a player that could endanger other players.
b. Tape or any bandage other than that used to protect an injury, subject to the approval of the umpire.
c. Hard, abrasive or unyielding equipment that is not completely covered and padded, subject to the approval of the umpire.
d. Cleats that extend more than ½ inch from the base of the shoe (See Appendix E for full specifications). (Rule 9-2-2-f)
e. Any equipment that could confuse or deceive an opponent.
f. Any equipment that could provide an unfair advantage to any player.
g. Adhesive material, paint, grease or any other slippery substance applied to equipment or a player’s person, clothing or attachment [Exception: Eye shade. (Rule 1-4-6-e)].
h. Uniform attachments other than towels (Rule 1-4-6-a).
i. Rib pads, shoulder pad attachments and back protectors that are not totally covered. (A.R. 1-4-7-II)
j. Visible bandannas worn on the field outside the team area (A.R. 1-4-7-I).
k. Jerseys that do not conform with Rule 1-4-5.
l. Non-standard overbuilt facemask.(A.R.1-4-7-IV)