1. The term "38 waist" typically refers to a size 38 inch waist in clothing sizes, which is a unit of measurement used in the United States.
2. Since 1 inch is equal to 2.54 centimeters, a 38-inch waist equals 96.5 centimeters.
3. Waist circumference is the measurement around the waist at the level of the navel and is an important indicator of abdominal fat accumulation.
4. Waist circumference is a comprehensive measure of total fat mass and fat distribution, which is associated with the risk of obesity and cardiovascular diseases.
5. The World Health Organization (WHO) recommends measuring waist circumference while the individual is standing, feet apart by 25 to 30 centimeters, with even weight distribution. The soft tape measure should be taken around the waist at the end of a normal exhalation.
6. Despite similar body structures globally, there are significant differences in size, leading to the non-uniformity of clothing sizes across regions.
7. Terms like "Asian sizing" and "European sizing" refer to the different sizing systems used in Asia and Europe, respectively, which have their own conversion standards.
8. These sizing systems can be further divided, and for ease of communication, countries establish their own prototypes and collect specific dimensions for each size and body part, forming their respective uniform size specifications.
9. China also has its own uniform size specifications known as "Chinese Size Standards."
10. When applying these specifications in southern or northern regions, it is necessary to make appropriate adjustments for ease of movement and size, depending on the style of the garment and the local body size characteristics to ensure a proper fit.
