7. SPF 30 and above
By now you should know SF fog is not nature’s sunblock, and anything under SPF 15 might as well be milk.
Scarves, sweaters, vests, shawls that double as blankets -- you can never have enough in this schizophrenic climate. Of course, you never thought you’d be the type to tie a parka around your waist, but that’s just the sort of reality mature adults come to terms with. Yes, you have become your parents, but your parents are not shivering down Fulton St.
Outside Lands has essentially gone paper-less thanks to Paypal’s sponsorship, but the bacon-wrapped hot dog vendors just outside the park (you know, the ones that will save your life and a couple bucks?) are still a cash economy.