The ultimate multipurpose lightweight, bounce-free hydration pack. MAXIMUM COMFORTMoisture wicking stretch woven fabric & chafe free binding materials plus, breathable mesh shoulder straps.SECURE FITAdjustable sternum straps & removeable waist strap.EXTRA STORAGE TO GOAmple pockets for storage and easy accessibility. Bungee system on back for even more storage! Unisex and fits different body types One size fits most Adjustable sternum straps and removeable waist strap Moisture wicking stretch woven fabric with chafe free binding materials Breathable mesh shoulder straps Equipped with a 1.5L bladder with magnetic hose clip One large zippered main storage pocket Two front strap pockets Two 40° angled side pockets for easy access Bottom stash pocket Helmet loop an bungee system Reflective hits for 360 degree visibility 60% Nylon, 40% Polyester Storage Capacity: 610 cu in/10 Liters Weight with Bladder: 14.5 oz / 411 g Weight w/o Bladder: 9.8 oz / 278 g