The compact and agile Lowe Alpine AirZone Active 18 is built for cool, dry comfort on strenuous day hikes.

Features:

• AirZone LT suspended mesh carry system with fast-wicking hip fins for maximum air circulation
• Lightweight spring steel frame for efficient load transfer
• Volume: 18L
• Front stash pocket for quick access
  
• Hydration compatible-fits 3L bladder
  
• Key clip
  
• Light loop
  
• Rain cover
  
• Secure TipGripper walking pole attachments
  
• Sternum strap with whistle
  
• Stretch water bottle side pockets
  
• Side compression straps
  
• Zipped top pocket
  
• Internal zipped security pocket
  
• Zipped main opening