Yupoo Size Chart and Measurements Guide

Separate the five things people call “size”

A Yupoo size chart is only one layer of the comparison. Keep chart values apart from photographed Yupoo measurements, printed labels, the item's shape or material, and your own reference measurements.

Label

The printed size or model name, such as M, 42, or one size.

Chart

The seller- or maker-provided dimensions associated with a label.

Measured item

A physical measurement taken from a specific item or QC photo.

Shape and material

Cut, stretch, padding, structure, and construction that change how dimensions behave.

Preference

The user’s desired ease, fit, capacity, or clearance.

Two pages can both say “medium” while describing different dimensions. A measurement comparison should therefore use the label as an identifier, not as the conclusion.

Normalize before comparing

1. Choose one unit—centimeters or inches—and convert every value.
2. Name the measurement method: flat width, circumference, internal length, outside dimension, or usable capacity.
3. Keep ranges as ranges instead of replacing them with a single midpoint.
4. Record whether the number comes from a chart, a photographed ruler, or your own reference item.
5. Keep the review date and exact option beside the numbers.

Clothing: compare a reference garment

Body measurements and garment measurements are not interchangeable. A practical comparison uses a garment you already like, measured with the same method shown in the chart.

• Chest: confirm whether the chart shows flat half-chest or full circumference.
• Length: note the starting point—shoulder, back collar, or another seam.
• Shoulder: check whether the garment has a defined seam or a dropped construction.
• Sleeve: confirm whether it begins at the shoulder seam or center back.
• Stretch: record material information separately; do not guess stretch from a photograph.

Footwear: internal length is not the same as foot length

Size systems can differ by market and model. When possible, compare the stated internal length, insole measurement, and a known shoe of similar construction. Allowance depends on toe shape, lining, intended use, and personal preference, so avoid promising a fit from a label alone.

Bags and accessories: outside size may overstate usable space

For bags, record width, height, depth, opening size, strap range, and any rigid interior divisions. Thick structure, padding, curves, and hardware can reduce usable capacity. For belts, hats, jewelry, and phone cases, identify the reference point and compatibility requirement before comparing numbers.

Treat small differences honestly

Hand measurement, soft materials, camera angle, and production variation can create small differences. If a page states a measurement tolerance, preserve it. If it does not, write “tolerance not stated” rather than inventing one.

Copy-ready comparison record