US Size 0 is a clothing size commonly used in women's fashion in the United States. It typically corresponds to a bust measurement of 31-32 inches, a waist measurement of 23-24 inches, and hip measurements of 33-34 inches. This size is often considered the smallest standard size available in many clothing lines. The concept of size 0 has sparked discussions about body image and fashion industry standards. Some argue that it promotes unrealistic body ideals, while others see it as a reflection of diverse body types. Brands like American Apparel and Zara often include size 0 in their size ranges.