Perfect for running events - ideal for athletes participating in a variety of running and triathlon events. This running belt is perfect for 5k, 10k, obstacle, and triathlon events. It ensures the stability oyour race number while providing comfort. Quality and comfort without compromise: experience quality and comfort with the Velochampion race belt, a lightweight design crafted from high-grade elastane. This adjustable running waist belt provides a snug fit that withstands sweat and water. Ideal for triathlon and running events, it eliminates the need for safety pins, protecting your clothing from damage. Choose Velochampion for an uncompromised performance. Choose your size: 3 sizes available - Kids, Adult (S/M) and Asult (L/XL). Check out the size chart in the images. Effortless number attachment: simply remove the toggles, place your running race number through the bright elastic threads. Re-apply the toggles on to the elastic threads attaching them close to the running number to prevent movement. It's a simple process that takes less than a minute! A cycling brand you can trust – here at Velochampion we have been developing bike pumps for over 12 years that have been tried and tested by professional cyclists, so you can have quality bike accessories for you and your bike! Our products are highly rated by amazon customers.