Streamline your on-the-go running essentials with the Nathan Pinnacle FeatherLite Running Belt 18oz/535mL. This ultra-lightweight, durable running belt is designed for lightweight comfort, mile after mile. Carry up to an 18oz Nathan soft flask in a dedicated, secure pocket with a bungee cord for added stability. An expandable, zippered stretch pocket fits most smartphones, while the adjustable belt and buckle snug up to your perfect fit.