Small and mighty, the redesigned Nano Vest is lightweight with 3D micro mesh for added comfort, making it the ideal choce for trail runners. This version offers a dual sternum strap attachment system with integrated reflectivity. It also comes a removable safety whistle and two best-in-class 500 ml Quick Stow flasks.

• 3D Micro Mesh fabric for added comfort on your run
• Adjustable sternum straps that let you dial in a personalized fit 
• Pack conforms to your body to reduce uncomfortable chafing
• Front left strap zipper pocket for most plus-sized phones
• Front right envelope mesh pocket for gels or keys
• Rear stretch pocket for light jacket or gloves
• Dual underarm stash pockets for gels or small essentials
• Rear trekking pole straps and pouch for secure storage
• Emergency whistle on the right shoulder strap
• Top hanging loop for drying or storage
• Reflective detailing on front and back for added safety
• Self-sealing Big Bite™ valve for easy bite and sip
• Leak-proof shut-off valve closes with a quarter turn
• Large-cap opening for adding ice or cleaning
• Volume indicators for hydration tracking
• Volume: 1.5 L / (90 cu. in.)
• BPA/BPS/BPF-free
• Weight: 4 oz. 
• Dishwasher safe
• Imported