What is the dress code for Qatar Airways passengers?

Smart jeans/denim and chinos that are neat, plain and appropriately fitted are acceptable in any cabin. Polo shirt, collarless plain T-shirt, collared shirt, blouse, smart dress or skirt (knee-length or longer). Sneakers/trainers/boots that are plain, color neutral and overall presentable are acceptable in any cabin.

https://support.accountingseed.com/hc/en-us/community/posts/3396599...