What to wear to Outside Lands: San Francisco sits at 19°C (66°F) by day and 12°C (54°F) at night in August, on city park, with a low chance of rain. That means a light base with one warm layer you can carry, cushioned trainers or a low boot, and a bag small enough for the gate rules. The crowd leans indie, streetwear and alt, so anything that survives the day reads as right.
Men's festival dressing at Outside Lands comes down to three decisions: how much you can take off when it hits 19°C (66°F), what you put back on at 12°C (54°F), and whether your shoes can take city park for 3 days.
The dominant aesthetics at Outside Lands are indie, streetwear, alternative and urban. That is the visual language of the site, the stages, the merch, the crowd photos, and outfits that speak it look intentional rather than borrowed.
There is no enforced dress code. What the crowd rewards is a look that survives 3 days of city park without you having to protect it.
What people actually wear: one good layer over a light base, because the temperature halves after sunset.