Robert F. Kennedy Jr.’s choice of denim for gym attire has left fans puzzled, and Fox News host Jesse Watters couldn’t resist probing the Secretary of Health about his unconventional workout wear.

Seizing the moment on Tuesday’s episode of Fox News’ Jesse Watters Primetime, the 47-year-old host inquired, “Before we get started, I have to ask you a question that everybody’s wondering about. Why do you wear jeans when you work out?”

71-year-old Kennedy explained, “Well, I just started doing that a long time ago because I would go hiking in the morning and then go straight to the gym, and I found it convenient. Now I’m used to it, so I just do it.” It comes after a lip exposed the 3-word promise that Trump whispered into Putin’s ear before their Alaska summit.

Watters responded with a light-hearted comment, “Okay, there were a lot of theories, but that makes perfect sense,”.

Kennedy, known for his love of hiking, turned heads last month when he was spotted scaling an Arizona mountain in the blistering heat donning blue jeans.

Jesse Watters interviewed RFK Jr. on Fox News (Image: FOX News)

The Health Secretary sparked further curiosity after being caught on camera working up a sweat in the gym, sporting his trademark jeans.

Fox News host Greg Gutfeld brought the topic to the forefront again on Tuesday, questioning, “Somebody’s gotta raise this question. Why does RFK wear jeans when he exercises?” He continued, “This is not the first time, this is now the third or fourth time. It’s all the time. It’s like wearing a Speedo to church. This is not right.”

Despite Kennedy clarifying his fashion choices, fans remained puzzled over his preference for denim on hikes.

On platform X, one user queried, “Why does he hike in jeans? What sort of answer is that?” while another criticized, “Jeans are not good hiking pants, either.”

RFK Jr working out in jeans (Image: Instagram)

Another speculated humorously, “He thinks he looks so hot in his jeans.”

Yet, some found Kennedy’s explanation satisfactory, with a commenter noting, “Practical habits often stick. Jeans or not, discipline and consistency matter most in training.”

One person humorously acknowledged, “Haha that actually makes sense straight from the hike to the gym practical if not fashionable.”

Others were less concerned with Kennedy’s attire and more impressed by his physique, as one admirer exclaimed, “That body of his at 71 puts most 21 yr olds to shame.”

Kennedy’s revelation followed his fitness face-off with Defense Secretary Pete Hegseth, where they took on a grueling challenge at the Pentagon.

Rocking his signature jeans, Kennedy joined Hegseth in the “Pete and Bobby challenge,” tackling 100 push-ups and 50 pull-ups within 10 minutes. The duo shared their feat in a social media video on Monday, with Hegseth finishing in 5 minutes 25 seconds and Kennedy close behind at 5 minutes 48 seconds.