Lightweight and ergonomic, this Nathan 650ml handheld flask is the perfect training partner for longer runs. Add ice easily with the large cap opening and enjoy the high-volume flow of the Push-Pull Blast Valve™ cap.

• 650 mL ergo SpeedDraw Flask with Push-Pull Blast Valve™ Cap offers quick bursts of fluid
• Large cap opening to easily clean and add ice cubes
• Fully-adjustable hand strap with chafe-free thumb hole that enables grip-free running
• Expandable zippered pocket for running essentials
• Internal and External stash pockets for small items
• Fits most smartphones