UTMB-capable 2-Liter hydration vest with expandable cargo space, insulated bladder compartment and 3-D Cooling Channel for maximum breathability and comfort.

• Designed to best fit the male torso (Women - see VaporShadow for women's specific-version)
• 11L total storage capacity (including 2L bladder)
• Equipped with 2L bladder with quick-release hose connector for easy cleaning
• Dual stabilization system compresses bladder and load
• Insulated bladder pocket to block transfer of body heat to liquid contents
• Multiple zippered compartments and stretch mesh stash pockets for organization and increased capacity
• Side stretch mesh zip pockets hold up to .75 liters
• Hidden internal back pocket for optional ice pack
• Wall mesh shoulder straps are highly breathable
• Two front bottle pockets are compatible with 22 oz/650 mL Tru-Flex bottles
• One front zip smart phone-compatible pocket
• Stash pocket over left front pocket fits several gels
• Pill pocket for electrolyte tabs
• Rear external shock cord for increased capacity
• Trekking pole clips
• Reflective trims
• Removable safety whistle
• Load lifter system keeps bag contents up and close to the body
• Weight: 19.4 oz/550.0 g (weight includes bladder)
• Storage Capacity: 671 cu in/11 Liters without bladder, 561 cu in/9.2 Liters with bladder
• Size: S/M (33 in to 39 in chest), L/XL (37 in to 44 in chest)