Levi's has been making jeans since 1873, yet somehow walking into the denim aisle still feels overwhelming. What's the difference between a 501 and a 505? Is the 512 the same as the 511? If you've ever grabbed a pair off the rack based purely on vibes and lived to regret it, you're not alone.

Why the numbers actually matter

Each Levi's style number corresponds to a specific silhouette, rise, and leg opening - and once you understand the system, shopping gets a whole lot easier. According to a fit guide published by GQ, the range covers everything from slim tapered cuts to roomy, relaxed fits, meaning there really is something for everyone. The trick is knowing where to start.

The classics worth knowing

The 501 is the original - a straight, high-rise fit with a button fly that's been a cultural touchstone for decades. It's the jean that launched a thousand imitations and still holds up today. The 505 is its slightly more laid-back cousin, with a regular fit and zip fly that sits easier through the hip and thigh.

For a slimmer look, the 511 is the go-to slim fit that stays close to the leg without cutting off circulation, while the 512 adds a tapered leg to a slim silhouette - great if you want a cleaner look around the ankle.

The relaxed options are having a serious moment

Right now, looser fits are everywhere, and Levi's has the catalog to back the trend. The 541 offers an athletic taper, built for people with more room in the thigh who still want a polished finish. The 568 goes even roomier with a stay-loose straight leg that leans into the current baggy-denim energy without going full skater-in-2003.

How to pick yours

The easiest shortcut? Think about where you carry most of your body. If your thighs and hips need breathing room, start with the 541 or 568. If you're lean and want a streamlined silhouette, the 511 or 512 are reliable choices. And if you just want the platonic ideal of a jean that works with basically everything, the 501 remains the safe bet it's always been.

Levi's also offers many of these cuts in multiple rises and washes, so once you find your number, you can build from there. Think of it less like buying jeans and more like finding your default setting - one you can trust to look good with minimal effort.

That's really the whole appeal of Levi's, isn't it? Once you crack the code, you stop overthinking and just wear the jeans.