Moisture wicking stretch woven fabric & chafe free binding materials plus, breathable mesh shoulder straps. 

• Unisex
• One size fits most
• Adjustable sternum straps
• Moisture wicking stretch woven fabric with chafe free binding materials
• Breathable mesh shoulder straps
• 1.5 L Hydration Bladder Included
• Two main zipper pockets on the back
• Bottle pocket on the front for additional hydration
• Zippered phone pocket on the front
• Reflective hits for 360 degree visibility
• 60% Nylon, 40% Polyester
• Storage Capacity: 366.1 cu in/6 L