35183.5. (a) (1) Each schoolsite shall allow for outdoor use during the schoolday, articles of sun-protective clothing, including, but not limited to, hats. (2) Each schoolsite may set a policy related to the type of sun-protective clothing, including, but not limited to, hats, that pupils will be allowed to use outdoors pursuant to paragraph (1). Specific clothing and hats determined by the school district or schoolsite to be gang-related or inappropriate apparel may be prohibited by the dress code policy.