Jungle Casual
The style of dress where a hawaiian button up shirt is worn with khaki pants or shorts, specifically in an office setting where business casual is the dress code.
Some people come to work business casual, casually ready for some business but then other people show up to work jungle casual, casually ready for the jungle.
Jungle Casual
The style of dress where a Jungle themed button up shirt is worn with white pants and a white hat.
Some people go to festivals in casual, casually ready for some festival going but then other people show up to festivals in jungle casual, casually ready for the jungle.