What to wear to Oasis Festival: Marrakech sits at 34°C (93°F) by day and 19°C (66°F) at night in September, 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 house, boho and desert, so anything that survives the day reads as right.
Men's festival dressing at Oasis Festival comes down to three decisions: how much you can take off when it hits 34°C (93°F), what you put back on at 19°C (66°F), and whether your shoes can take desert for 3 days.
The dominant aesthetics at Oasis Festival are house, boho, desert and quiet elegance. 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.