Size related properties of a product, typically a size code ([name](https://schema.org/name)) and optionally a [sizeSystem](https://schema.org/sizeSystem), [sizeGroup](https://schema.org/sizeGroup), and product measurements ([hasMeasurement](https://schema.org/hasMeasurement)). In addition, the intended audience can be defined through [suggestedAge](https://schema.org/suggestedAge), [suggestedGender](https://schema.org/suggestedGender), and suggested body measurements ([suggestedMeasurement](https://schema.org/suggestedMeasurement)).