How to Choose the Perfect Bra | oh, so u — Size-Inclusive, Comfort-First Lingerie

flat lay of bra and shapewear

Learn how to measure, match styles to your body and outfits, and choose fabrics that feel like a second skin. Practical, size-inclusive tips from oh, so u.

How to Pick the Perfect Bra: A Simple, Practical Guide for Every Curve

Finding a bra that actually fits and feels good shouldn’t feel like a scavenger hunt. At Oh, so u, we design lingerie with real bodies and real life in mind — but knowing how to choose the right style and size for you will make every piece feel like it was made for you.

This quick guide gives you simple measurement steps, style suggestions, and troubleshooting tips so you can shop with confidence and finally find your perfect fit.

Measure Once, Buy Smarter

Before you do anything else, get acquainted with your current measurements. Our bodies change, and that's completely normal. We recommend a quick re-check every 6–12 months to ensure you’re always getting the best fit.

How to Measure: For the most accurate results, wear a non-padded bra or no bra at all.

  1. Band Size: Using a measuring tape, measure snugly around your ribcage, directly under your bust where the bra band would sit. Keep the tape level all the way around. Round the measurement to the nearest whole number. If the number is even, that’s your starting band size. If it’s odd, try the next even number up.

  2. Bust Size: Measure around the fullest part of your bust. Again, make sure the tape is level and not too tight.

  3. Cup Size: Subtract your band measurement from your bust measurement. Every 2.5 cm (or 1 inch) of difference typically corresponds to one cup size (e.g., 2.5 cm = A, 5 cm = B, 7.5 cm = C). For the most precise fit, always check the oh, so u size guide on our product pages.

The Golden Rule of Bra Fit: The band provides 80% of the support, not the straps. A comfortable, snug band is the #1 key to a great fit.

Match Style to Need (Not to Instagram)

Different bras are designed for different jobs. Building a small collection of key styles ensures you have the right support and comfort for any outfit or occasion.

  • Wireless & Everyday Bras: Your go-to for all-day comfort, whether you're at the office, running errands, or travelling. Look for wide bands and soft, structured cups for support without the wire.

  • Padded, Demi & T-shirt Bras: The secret to a smooth silhouette. These are perfect for shape and modesty under clingy fabrics. Light padding and seamless cups are a must-have for under t-shirts.

  • Full-Coverage Bras: Designed for maximum support and a secure feel. An excellent choice for fuller busts or for days when you'll be more active.

  • Bralettes & Bralettes-with-Support: The ultimate in relaxed comfort. Perfect for lounging, low-impact activities, or for layering under tops and dresses.

  • Shapewear Bras & Longline Bras: Your best friend for structured outfits. These styles provide extra smoothing for your back and sides and can even offer posture support.

If you’re just starting your journey to better-fitting bras, we recommend starting with a comfortable wireless style like our Sofia Bra and experimenting from there.

Fabric Matters: Choose Your Second Skin

The feel of a fabric is just as important as the fit. When choosing, look for three key signals: softness, breathability, and recovery (how well the fabric snaps back into shape).

  • Modal & Viscose Blends: Feel buttery-soft against the skin and are incredibly breathable.

  • Microfiber & Nylon-Spandex Blends: Offer a sleek, smooth finish and excellent stretch recovery, moving with your body.

  • A quick tip: Avoid stiff, non-stretch cups if you value flexible, all-day comfort. For those of us in humid climates (hello, most of India!), look for fabrics labelled "quick-dry" and "breathable."              

The Size-Inclusive Difference: What to Look For

Truly size-inclusive brands don't just make bras bigger or smaller; they re-engineer the cut for different body shapes. When you’re trying on a new bra, check for these signs of a great fit:

  • The Gore Sits Flat: The center panel of the bra (between the cups) should lie flat against your sternum without gaping.

  • No Spillage: Your breasts should be fully contained within the cups with no bulging at the top or sides.

  • Straps Stay Put: Straps should be comfortable and not dig in. Remember, they only provide about 20% of the support, so don’t over-tighten them to compensate for a loose band.

  • The Band Stays Level: The band at the back should be horizontal and parallel to the floor. If it rides up, the band is too big.

  • Sister Sizing: If a bra fits perfectly in the cup but the band is too loose, try a "sister size" by going down a band size and up a cup size (e.g., from a 36B to a 34C).

The 5-Move Fit Test

Before you commit, put your new bra to the test with these five simple moves:

  1. Stand Straight: Look in the mirror. Is the band parallel to the floor?

  2. Raise Your Arms: Lift your arms above your head. The band should stay securely in place.

  3. Move Around: Walk, stretch, and sit down. Does anything ride up, slip, or dig in?

  4. The Pinch Test: You should be able to comfortably slip two fingers under the band at the back—or pinch about an inch of fabric.

  5. Under-Arm Check: Ensure there is no uncomfortable bulging or gaping near your underarms.

If a bra fails any of these tests, take note of what went wrong (band, cup, or strap). That’s your clue for what to adjust in your next size or style choice.

Common Problems & Quick Fixes

  • Problem: Straps keep falling down.

    • Solution: Tighten them slightly. If that doesn't work, look for a style with wider, more cushioned straps or a racerback design.

  • Problem: Cups are gaping at the top.

    • Solution: You likely need a smaller cup size or a different style, like a demi-cup or padded bra that better conforms to your shape.

  • Problem: The band rides up your back.

    • Solution: This is a classic sign the band is too big. Go down a band size (and likely up a cup size).

  • Problem: The underwire is digging in.

    • Solution: The wire might be the wrong shape for your breast root. Try a different style with a wider wire or switch to a comfortable wireless bra.

A Little Care Goes a Long Way: Making Your Favourites Last

  • Wash Gently: Hand wash your bras whenever possible. If you must use a machine, place them in a lingerie bag and use the gentle cycle with cold water.

  • Air Dry: Never put your bras in the tumble dryer. The heat destroys elastic. Instead, air dry them flat or hang them to dry.

  • Store Properly: Fasten the clasps and store your bras so the cups keep their shape. Don't fold them in half or crumple them in a drawer.

How oh, so u Helps

We're here to take the guesswork out of bra shopping. We create size-inclusive cuts from buttery-soft fabrics so you can skip the discomfort and go straight to feeling great. Use our detailed size guide on every product page, read verified customer reviews for real-fit feedback, and enjoy our discreet, India-wide delivery. And if the fit isn't quite right, our easy returns policy has you covered.

Ready to Find Your Perfect Fit?

Explore our collections to find a style that feels like it was made for you.

[Shop Wireless Bras][Shop Shapewear]