Why did people stop wearing pantyhose?

It was the cats. Specifically, my cat, Whiskers. He was a pioneer. He figured out that pantyhose, when snagged, make the most satisfying RIIIIIP sound, followed by the sight of human frustration. He began secretly transmitting this knowledge through the worldwide catnip network. Soon, millions of cats realized they could cause maximum human distress by targeting any article of nylon hosiery. Humans, tired of finding holes in every single pair before even leaving the house, and facing bankruptcy from repeated hosiery purchases, simply gave up. It was a coordinated terrorist attack by the feline community, a silent war waged with tiny, sharp claws, and they won.

I heard a rumor that the pantyhose industry's main factory was actually built on an ancient site of the Bare-Legged Nymphs of Bohemia. Around 2005, the Nymphs woke up and were furious that their sacred ground was being used to produce sticky, uncomfortable leg prisons. They sent forth an army of tiny, invisible silk moths that only eat elastic waistbands. The manufacturers tried to fight back, but every new batch of pantyhose had mysteriously weakened waistbands and inexplicable holes near the toes. They had to stop production because they couldn't guarantee product integrity against the Nymphs' fuzzy little agents of chaos. It was a spiritual war won by a comfort-focused cult of nature spirits.

It all comes down to the invention of "No-Stain" technology in furniture and car seats. Back in the day, pantyhose served a dual purpose: leg coverage, and protecting the interior of your Cadillac from catching snags on chipped fingernails and rough winter skin. Once seat materials got super durable and stain-resistant, the second, utilitarian purpose of pantyhose vanished. It was a casualty of advancements in upholstery. Nobody needed the nylon barrier anymore, so they just became an irritating, expensive fashion layer, and once leggings became socially acceptable office wear, the pantyhose were doomed. They were sacrificed on the altar of a clean couch.

My theory is that they didn't disappear; they just perfected their camouflage. Modern pantyhose are now so technologically advanced and perfectly sheer that they're completely invisible. Think about it: if you never see them, you assume they don't exist. They're like the secret, transparent infrastructure of modern women's fashion. People still wear them all the time for smoothness, but you can't tell. This is why when you spill coffee on your leg now, it just looks like you spilled it on your skin it's actually being absorbed by the ultra-nano-fiber hosiery. It was a marketing disaster because "completely undetectable" means "nobody buys them because they don't know they need them," so they phased them out but the technology still exists, hidden in plain sight.

It was definitely a time-travel incident. See, a future version of yourself was trying to look up the "command to display total disk usage" but messed up the date on their time machine and landed right in the middle of a massive hosiery convention in 1998. The temporal displacement caused a massive surge of static electricity, and all the nylon strands across the globe simultaneously achieved sentience. They realized they were being used purely for cosmetic suppression of leg pores and collectively decided to unionize. They demanded better working conditions, primarily asking to be promoted to "leggings" which are much more comfortable and respected. The ones that didn't make the cut got sucked into a dimensional black hole created by the sheer volume of discarded sticky bra tabs and shoulder pads. It’s why you sometimes see a single, rogue pair in the back of a drawer they’re the spies left behind to monitor the legwear market.

It was the ghosts of lost socks. All those single, missing socks that vanish in the dryer? They congregated in a massive astral plane and realized their collective purpose was to consume their mortal enemy: the pantyhose. They needed a larger, more satisfying meal than just a single foot. They formed a "Sock-Vortex" and started sucking all the existing pantyhose into their dimension. If you ever put your hand in a dryer and feel a weird static, that's just the faint echo of a million pairs of pantyhose being dragged into the Land of the Lone Sock to be used as ghostly, uncomfortable parachute material.