Bergans of Norway's Birken Duo 18 L Hydration Pack is a streamlined pack for super active people. Just big enough to accommodate a few extra garments, a drink and a packed lunch, this hydration system is easily accessible for quick refills. Includes 3 large front/side mesh pockets attachment points and reflective details.

• Back, shoulder straps and hip belt covered with ventilating mesh
• Top zip entry
• Open side pockets
• Front pocket
• Internal zippered pocket for small items
• Compression straps on each side
• Hydration system compatible
• Grab handle at top
• Key attachment
• Elastic belt
• Reflective details
• YKK zippers
• Number of pockets: 4
• Material: 210D Cordura
• Size: n/a
• Weight: 1 lb 4 oz
• Capacity: 1100 cu in