Three fast checks: a bra band test, a belt-loop tug, and a skirt hem line you can see in photos.

The bra band check you can do in 10 seconds

I learned this the hard way after buying a stack of “fine” T-shirts that kept riding up in the back. It wasn’t the shirts. It was my bra band creeping north all day and dragging everything with it. In a fitting room, I do one quick, unglamorous check before I even look at the cups: I hook the bra on the loosest set of hooks, lift my arms like I’m grabbing something off a top shelf, and then slide two fingers under the band in back.

Here’s what I’m looking for: the band stays roughly level and it feels snug, not strangling. If I can pull it four inches away from my body, it’s too big, even if the salesperson tells me it looks smooth If I can’t get my fingers under it at all, I’ll hate it by lunch. Then I do the little swoo thing (reach in, pull tissue forward into the cup) because cups lie until you do that. If the underwire ends up sitting on breast tissue or the gore floats, I don’t talk myself into it. I just grab the next band size down and adjust the cup, because most of the support should come from the band, not shoulder straps that leave dents.

Style Inspiration & Icons angle: watch the way your clothes behave the moment the foundation is right. A fitted tee from Everlane or a bodysuit from Skims suddenly lays flatter. A blazer from J.Crew stops doing that tiny bubbl between the shoulder blade and the waistband. When people ask why their outfit feels off even with good pieces, this is often the boring answer. Boring, but fixable in under a minute.

Do the belt-loop tug before you buy any jeans

My most used fitting-room move isn’t a mirror pose. It’s me pinching a belt loop like I’m about to pick the jeans up by it. I button the jeans, zip them, take one normal breath (because we all inhale and lie to ourselves), then I grab the center back belt loop and tug straight out.

If I can pull a big ten away from my lower back, the waistband is too big or the rise/shape isn’t made for my hips. That gap will only get worse once the denim relaxes. If the loop barely moves but the front is cutting in, I’m not between sizes I’m in the wrong rise. High-rise that hits at the narrowest part of your waist feels like a yes. High-rise that lands an inch lower can feel like a constant argument every time you sit.

Then I do a second, less obvious check: I run my palm down the outer seam from hip to mid-thigh. If the seam twists forward, the leg is fighting my shape, and it usually shows up later as that annoying diagonal whiskering that makes the thigh look busier than it is. This is where icons and references help. When I think 90s straigh I mean a Levi’s 501 vibe, not just any straight leg. When I think clean ankl I picture the crisp crop on someone like Rosie Huntington-Whiteley, not a random raw hem that puddles over sneakers.

Finally, I take a phone photo from the side, not because I want a selfie, but because cameras catch what mirrors politely blur. If the waistband is doing a tiny wave in the back, I put the jeans back. No pep talk. I’ve never once worn it i and had that wave disappear.

Painters tape: the fastest way to judge a skirt hem

I keep a tiny roll of blue painter’s tape in my bag like a weirdo. It’s not for DIY emergencies. It’s for the fitting-room mirror, where lighting is harsh, angles are weird, and my brain starts rationalizing hems that don’t love me back. Here’s the move: I put on the skirt (or dress), stand naturally, and then I place a single strip of tape horizontally on the mirror at the point where I think the hem should hit for the look I’m going for.

That tape line becomes my reference. If I’m trying to get that easy, leggy mini with tight look, the tape goes a couple inches above the knee and I see whether the hem reads intentional or like it shrank in the wash. If I’m chasing a midi that feels modern instead of office costume I tape at mid-calf and check the relationship to my shoes. A midi with loafers can look sharp in a street-style way, but if the hem hits at the widest part of the calf, it can make the whole outfit feel stubborn. The tape shows it instantly.

Style Inspiration & Icons angle: I use named references on purpose because flatterin is a useless word. Am I going for a Miu Miu-schoolgirl mini? A Carolyn Bessette-Kennedy clean column skirt? A Hailey Bieber blazer-and-short-skirt proportion? The tape helps me match the silhouette in my head to what’s in the mirror, without drifting into vibes.

Two practical notes from doing this too many times. First, tape comes off most mirrors cleanly, but I still stick it to my sleeve once before the mirror so it isn’t extra aggressive. Second, take one photo with the tape in frame. You don’t need the perfect angle. You just need the evidence later when you’re at home thinking, “Maybe it was fine.” The tape line will tell you the truth.