Lycra tight fitting surf shirt that protects surfer's stomachs, backs and upper body from rash that comes from rubbing up against surfboards.

A term used to reference cannabis/marijuana/weed.

A thin shirt made out of a stretchy material worn by surfers. It is worn on the upper body to protect from reef rash.

What comes into your mind when you think of swimming pool or beach? A man like me might draw a fine picture of a sexy girl in the bikini.

However, the trend has changed in Korea. Rash guard is now all the ton among kpop idols, while ordinary young Korean women also like to wear rash guard. The shirt protects the wearer against rashes caused by abrasion, or by sunburn from extended exposure to the sun too.