What to wear to Coachella: Indio sits at 33°C (91°F) by day and 14°C (57°F) at night in April, on desert, with a low chance of rain. That means loose natural fabrics and real sun protection, broken-in boots or sturdy trainers, and a bag small enough for the gate rules. The crowd leans boho, y2k and glam, so anything that survives the day reads as right.
Men's festival dressing at Coachella comes down to three decisions: how much you can take off when it hits 33°C (91°F), what you put back on at 14°C (57°F), and whether your shoes can take desert for 3 days.
The short version: No official dress code; the unofficial one is "outfit changes between weekends one and two".
The dominant aesthetics at Coachella are boho, Y2K revival, high glam and desert. 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 desert without you having to protect it.
What people actually wear: light cover-up over minimal layers, sunglasses on from the moment the gates open, and a scarf that doubles as dust protection; the same jacket every day, because it lives in the tent and does everything; something identifiable, a colour, a hat, a flag, so your group can find you in a crowd of that size.