Nathan Quick Start 3.0 4L

One Size Fits most with adjustable sternum & side straps Two 14oz/414ml Quick Start soft flasks with push-pull bite valve Wide side straps that adjust for a secure no bounce fit and elastic keepers to hold excess webbing Tiered Flask and stash expandable pockets made of power mesh on front straps for easy access Large back storage pocket with separate bladder compartment and hook and loop keepers to keep any type of bladder secure. Large back expandable mesh pocket perfect for clothes, gear and other larger essentials Reflective hits for 360 degree visibility Exterior soft, lightweight durable material that dries quickly Lightweight air mesh on interior back and straps for maximum breathability Storage Capacity: 244 cu in/4 L Weight w/out flasks: 7.45oz/211.2g Weight with flasks: 12.41oz/351.8g