Hourglass Body Shape
The hourglass is the shape most often used as a default in fashion illustrations. In the FFIT rules, it is a specific relationship between four measurements — and one of the less common results in a real population.
What the Hourglass shape means
In everyday language, an hourglass has a bust and hip that are close in size, with a waist that is visibly smaller. In FFIT, the definition is narrower: the bust and hips are within 1 inch of each other, the hips are less than 3.6 inches larger than the bust, and the waist is at least 9 inches smaller than the bust or 10 inches smaller than the hips.
The “hourglass family” also includes two variants: top hourglass (the bust leads the hips) and bottom hourglass (the hips lead the bust). They share the defined waist; the difference is which end carries more circumference.
How to tell
- Your bust and hip measurements are close, and your waist is clearly smaller than both.
- Your high hip does not flare sharply below the waist; a strong shelf points to spoon instead.
- Your bust is not more than 1 inch larger than your hips. If it is, top hourglass is the closer label.
- If your hips lead the bust by 3.6 inches or more with a defined waist, bottom hourglass or spoon is more likely.
The measurement pattern
The rule uses four circumferences: bust, waist, high hip and hip. The high hip separates a bottom hourglass from a spoon; the bust-to-hip difference separates a top hourglass from an inverted triangle.
These are the FFIT rules in shorthand. The shapes are checked in a fixed order, and a body near a boundary can meet more than one. That is why the atlas treats a label as a range, not a verdict.
Sub-shapes
Hourglass
Bust and hips within 1 inch; waist defined on both sides.
Top hourglass
Bust leads the hips by 1–10 inches; waist still defined.
Bottom hourglass
Hips lead the bust by 3.6–10 inches; high hip below 1.193 × waist.
What to wear
These are starting points, not rules. The goal is to choose the line, volume and seam placement you want — not to “fix” a body.
Dresses
- Wrap dresses that keep the waist visible.
- Bias-cut midi dresses that follow the bust–waist–hip line.
- A-line dresses with a defined waist seam.
- Shirt dresses with a belt or self-tie.
Tops
- Fitted knits that follow the waist.
- Tucked-in shirts with a defined waistband.
- V-neck and scoop necklines that keep the upper line open.
- Cropped jackets that end at the waist.
Jeans and trousers
- High-rise straight or bootcut jeans.
- Trousers with a defined waistband and a clean hip line.
- If you want to keep the hourglass line, avoid stiff boxy cuts that erase the waist.
Swim
- One-piece with a waist seam or side tie.
- High-waist bikini bottoms.
- Wrap or belted swimsuits.
Outerwear
- Belted trench coats.
- Single-breasted blazers with a nipped waist.
- Short jackets that end at the waist.
Styling principles
- The waist is the anchor: keep at least one visible waist signal (a seam, a belt, a tie or a tuck).
- If you want a softer line, choose fluid fabrics; if you want more structure, choose a tailored waist.
- Volume can go above or below the waist; adding it at both ends at once can bury the waist line.
Common mistakes
- Treating hourglass as the default or the “best” shape. It was 8.4% of the 2003 US sample, not the majority.
- Assuming a waist signal must be a belt. A seam, a tuck or a wrap can do the same job.
- Using a garment size as a body measurement. Sizes vary by brand; measurements do not.
What this page is not
This page is a visual and styling reference, not a calculator. It does not diagnose health or rank bodies.
Hourglass questions
Is hourglass the most common body shape?
No. In the 2003 SizeUSA sample of 6,318 US women, rectangle was the most common at 46.1%, spoon at 20.9%, inverted triangle at 13.8% and hourglass at 8.4%. The other 10.7% were reported as other shapes.
What is the difference between hourglass and top hourglass?
Both have a defined waist. In a top hourglass the bust is 1–10 inches larger than the hips; in a pure hourglass the bust and hips are within about an inch of each other.
Do I need the high hip measurement to know if I am an hourglass?
Not for a pure hourglass or top hourglass. The high hip is needed to separate a bottom hourglass from a spoon. Without it, a lower-body-led result should be treated as “pear family”, not a specific shape.
Sources
- Simmons, Istook & Devarajan (2004). Simmons, K., Istook, C. L., & Devarajan, P. (2004). Female Figure Identification Technique (FFIT) for Apparel. Journal of Textile and Apparel, Technology and Management, 4(1). https://www.ergo-eg.com/uploads/books/devarajan_full_106_04%20(3).pdf
- Lee, Istook, Nam & Park (2007). Lee, J. Y., Istook, C. L., Nam, Y. J., & Park, S. M. (2007). Comparison of body shape between USA and Korean women. International Journal of Clothing Science and Technology, 19(5), 374–391.
- Sokolowski & Bettencourt (2020). Sokolowski, S. L., & Bettencourt, C. (2020). Modification of the Female Figure Identification Technique (FFIT) Formulas to Include Plus Size Bodies. Proceedings of 3DBODY.TECH 2020. DOI 10.15221/20.22. https://doi.org/10.15221/20.22
- Parker, Hayes, Brownbridge & Gill (2021). Parker, C. J., Hayes, S. G., Brownbridge, K., & Gill, S. (2021). Assessing the female figure identification technique’s reliability as a body shape classification system. Ergonomics, 64(8), 1035–1051. DOI 10.1080/00140139.2021.1902572. https://doi.org/10.1080/00140139.2021.1902572
- Istook / SizeUSA distribution (2005). North Carolina State University (2005). Fashion designers ignoring shapes of women’s bodies. Newswise / NC State news release; Newcomb, B., & Istook, C. (2006). Using SizeUSA to improve apparel fit. https://www.newswise.com/articles/fashion-designers-ignoring-shapes-of-womens-bodies