What to wear to Sunburn Festival: Goa sits at 32°C (90°F) by day and 21°C (70°F) at night in December, on beach, with a low chance of rain. That means loose natural fabrics and real sun protection, flat sandals you can rinse, with trainers for the night stages, and a bag small enough for the gate rules. The crowd leans beach, rave and psy, so anything that survives the day reads as right.
Men's festival dressing at Sunburn Festival comes down to three decisions: how much you can take off when it hits 32°C (90°F), what you put back on at 21°C (70°F), and whether your shoes can take beach for 3 days.
The dominant aesthetics at Sunburn Festival are beachwear, rave wear, psytrance and tropical. 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 beach without you having to protect it.
What people actually wear: swimwear as a base layer, a sarong or shirt over it, and shoes that can be rinsed; 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.