3XLarge

3XLarge is a clothing size designation used to indicate a large size beyond 2XL in many western apparel brands. It is commonly written as 3XL, 3X-Large, or 3X-Large and appears in men's, women's, and unisex lines. It sits within the broader category of plus sizes and is part of the standard scale that includes S, M, L, XL, and XXL, with 3XL representing the next step up.

Because there is no universal global standard for clothing sizes, 3XL measurements vary by brand and region. Size charts typically provide chest, waist, and hip measurements in inches or centimeters. Some brands assign a single 3XL label to a range of body measurements; others provide more specific notes such as relaxed or athletic fits. This means that a 3XL in one brand can differ notably from a 3XL in another.

In the retail market, 3XL is widely offered by mainstream and specialty brands, especially in North America and Europe, and is common in online catalogs. Some brands offer extended sizes beyond 3XL (for example 4XL, 5XL) to accommodate larger frames, while a few brands use alternative naming (such as 3XLT or 3X-Large Tall) for tall or slim-fit variants.

The term arises from the ongoing evolution of the sizing system that expands beyond standard sizes to accommodate diverse body types. The label’s prevalence reflects growing demand for inclusive sizing in fashion and apparel.