Disposable underwear for athletes during competitions are specialized, single-use garments designed to enhance hygiene, comfort, and performance by providing a fresh, moisture-wicking layer that minimizes chafing and reduces the risk of infection. Crafted from lightweight, breathable materials such as modal blends or spunlace nonwovens with moisture-wicking properties, these undergarments offer a soft, irritation-free fit that moves with the body during high-intensity activities like running, cycling, or team sports. The fabric is engineered to draw sweat away from the skin, preventing discomfort and reducing the risk of blisters or skin irritation caused by prolonged moisture. Design features prioritize functionality: a seamless construction eliminates friction points, while a contoured fit ensures support without restricting movement. Elastic waistbands and leg openings are designed to stay in place during dynamic movements, avoiding the need for readjustment that could disrupt performance. Hygiene is a key benefit, as disposable underwear eliminates the risk of bacterial or fungal growth that can occur with reusable options, even after washing—critical in shared locker rooms or multi-day events where laundry access is limited. They also reduce post-competition logistics, allowing athletes to discard them after use rather than managing dirty laundry. Many variants are hypoallergenic and free from harsh chemicals or dyes, catering to athletes with sensitive skin, and are packaged individually for portability and convenience. Compliance with safety standards, such as OEKO-TEX Standard 100, ensures they are free from harmful substances. By using these undergarments, athletes maintain optimal comfort, reduce infection risks, and focus on performance, while event organizers promote a culture of hygiene, making them a practical addition to competitive sports environments.