Travel fast and light with the Copperhead. The backpack component has expansion gusset which gives you cargo space to carry extra layers of clothing, or other items you may need to carry all the while able to keep you hydrated at the same time with a 2LT Nalgene reservoir. 

Features:

• 2L Nalgene Reservoir
• Bungee System
• External Headphone Port
• Hydration Compatible
• Mesh Water bottle Pockets
• Padded shoulder strap
• Removable key Clip
• Safety Whistle
• Sternum Strap
• Waist Strap
• Waterproof zip