The UA Storm technology ensures an absolutely waterproof finish that defies all weather conditions. The expandable Under Armour Speedpocket on the back is waterproof and protects your phone without slipping. Adjustable strap with elastic and buckle closure for a secure, customized fit. Secure front pocket with zip to store your keys, ID or gels - with room for an iPhone 12 Pro Max. Reflective details for added visibility when running in low light conditions UA Storm technology ensures a completely waterproof finish that defies all weather conditions Expandable Under Armour Speedpocket on the back is waterproof and protects your phone without slipping