Nathan Running Hydration Packs Vest VaporAiress 7L 2 Vest L-XXL Blk/Shodow Lime New with tag. Bladder included. Adaptive-Fit™ adjustable sizing system for tailored fit Two adjustment points to fit waist and bust separately Breathable, chafe-free materials for maximum comfort Equipped with a 2L bladder with quick release valve Transparent zippered pocket for quick view of essentials Back kangaroo pocket for stashing layers and essentials Large main back storage compartment Front pockets fit bottles and flasks up to 22oz Reflective hits for 360-degree visibility 60% Nylon, 40% Polyester Storage Capacity: 427 cu in/7 Liters Weight W/O Bladder: 8.3 oz/235 g Weight With Bladder: 12.2 oz/347 g