The water-repellent UA Storm technology keeps your things dry. The expandable UA Speedpocket on the back is water-resistant to keep your phone safe. Secure front zip compartment for storing keys, documents or gels - it can also fit the iPhone 12 Pro Max. Adjustable elastic strap with buckle closure for a secure custom fit. Reflective details on the front and back for better visibility when running in low light. Low-profile construction for a secure fit to the body. The Speedpocket fits most phones up to 15cm x 7.5cm in size. Dimensions: 5 cm x 9 x 35.5 cm. Volume: 1 L.