Old Navy Size Guide: Women's Tops, Jeans, Bras, and Fit Notes

Short answer: Old Navy's current women's fit system is easiest to shop by body measurements first, then by item fit. Its official charts cover tops, dresses, jeans, pants, bras, and plus sizing, while live product pages show how petite, regular, and tall inseams are applied on actual jeans and trousers.

How Old Navy Women's Sizing Is Structured

Old Navy's official women's size chart groups sizes into regular, petite, and tall tabs. For body-measurement shopping, the main split is still the same: numeric sizes such as 00 to 30 and plus sizes such as 2X to 4X.

Women's Tops, Sweaters, and Dresses

Old Navy's current top-and-dress chart uses chest, waist, and hips/butt measurements. A practical summary from the official chart looks like this:

Women's Jeans and Pants

For bottoms, Old Navy's current women's division chart focuses on waist and hips/butt. Here is the quick conversion most shoppers need:

Petite, Regular, and Tall: What It Means on Live Products

Old Navy does not apply one single inseam number to every category, so the safest read comes from live product pages. On the current High-Waisted OG Straight Ankle Jeans, the page says 26 inches petite for 5'3 and below, 28 inches regular for 5'4 to 5'8, and 31 inches tall for 5'9 and above. On the current Taylor Wide-Leg Trouser Pants, the page lists 28 inches petite, 30 inches regular, and 33 inches tall.

That is the right takeaway: petite and tall are proportional fit options, but inseam numbers still vary by item.

Bras and Bralettes

Old Navy's current bra chart is now best read two ways. First, the brand publishes alpha-to-bra-size conversions such as these:

Second, the same official chart explains how to measure: wrap the tape tightly under the bust for band size, then loosely around the fullest part of the chest for cup size. The difference between those two numbers sets the cup letter.

How to Measure for the Best Match

Old Navy's official charts repeatedly use the same measurement rules:

• Chest: around the fullest part, arms relaxed.
• Waist: at the natural waist crease.
• Hips/Butt: around the fullest part, standing relaxed.
• Inseam: from crotch to ankle for bottoms.

If you are between sizes, comparing your own body measurements against the chart is more reliable than shopping by your usual label alone.

What to Watch on Specific Product Pages

The size chart gives the base fit, but live product pages add the details that matter most:

• Rise placement such as sits at belly button or sits above belly button.
• Leg shape such as straight, wide leg, or loose.
• Model-size examples, which help you judge how oversized or fitted a style looks.
• Exact inseam by fit option, which can change from one jean or pant family to another.

Fast Sizing Checklist Before You Order

Bottom line

If you want the quickest accurate read, start with Old Navy's official women's size chart for body measurements, then confirm inseam and rise on the live product page before buying. That combination is the most reliable way to choose Old Navy women's tops, jeans, pants, and bras right now.

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