A group of young women standing together in the 1970s can instantly transport people back to an era with a remarkably recognizable style. At first glance, it may simply look like friends posing for an ordinary photograph, but one detail immediately dominates the scene: their pants. Nearly everyone is wearing the dramatically flared trousers that became one of the decade’s defining fashion trends.

Often called bell-bottoms or flares, these pants were fitted around the waist and thighs before widening considerably below the knee. The exaggerated shape became enormously popular during the decade, appearing in everything from casual outfits to more polished looks. Combined with fitted turtlenecks, simple tops, coats, and relatively understated shoes, they created a silhouette that is unmistakably associated with the period.

Another noticeable feature is how coordinated the outfits appear despite their simplicity. There are no enormous logos or elaborate accessories competing for attention. Instead, much of the look comes from proportions—the high waists, fitted upper clothing, long trouser legs, and wide hems. Hairstyles were similarly recognizable, with shoulder-length cuts, smooth shapes, and natural-looking volume.

In this fictional snapshot, the five friends had gathered beside a family car before heading into town on a cool Saturday afternoon. None of them thought their clothing was unusual enough to deserve attention; these were simply the styles they saw around them every day. Decades later, however, that ordinary photograph became a perfect little time capsule of what young women were wearing during the era.

And that is the detail many people who remember the 1970s notice immediately: those unmistakable high-waisted flared pants. Fashion eventually moved toward narrower silhouettes, but bell-bottoms repeatedly returned in later decades, proving that one of the most recognizable looks of the ’70s never disappeared completely.