The Kids Underwear market refers to the global industry involved in the design, manufacture, and distribution of underwear for children. As a significant segment of the apparel market, the Kids Underwear market size is estimated to be around $13.4 billion in 2025. The growth outlook for this market is promising, with a market forecast indicating a compound annual growth rate (CAGR) of 4.5% from 2026 to 2033. This industry expansion is driven by factors such as increasing demand for comfortable and sustainable clothing, advancements in fabric technology, and growing awareness about hygiene and health. The scope of this market encompasses various types of underwear, including briefs, boxers, and sleepwear, catering to different age groups and preferences.