For the long haul.

Explore with the freedom of well-equipped comfort with the ultra-capable ALPS Mountaineering Caldera Backpack. With tons of smart design and organized cargo space, you can carry all your needs and wants for a trip of epic proportions. Aluminum stays, PE backing sheet, and a fully padded harness system support, stabilize, and distribute the load for optimal carrying comfort. Air-channel mesh pads at back, a contoured lumbar pad, and the three-layer modular hip-belt ensure fine-fitting support at high-stress areas, and a handy internal horizontal divider keeps your load organized and easily accessible. 

  • Fully padded suspension features ComfortWrap adjustable shoulder strap system that wraps to back, contoured lumbar, and air-channel mesh back for comfort
  • Durable PE backing sheet adds stabilizing support and load transfer
  • Three-layer modular hip-belt provides fine-fitting, supportive comfort
  • Suspension adjusts to accommodate torsos from 17-23 inches
  • Anti-sway straps, load lifters, and adjustable sternum strap add control and stability
  • Two aluminum stays efficiently stabilize and transfer load to the hips
  • Plenty of room enough for clothes, gear, and provisions for multi-day epic trips, even in winter
  • Top-loading with front-access makes packing and retrieving goods with pack on its side or upright quick and easy
  • Internal horizontal divider organizes gear for easy, efficient access and packability
  • Top lid converts to fanny pack for light day hikes from basecamp
  • Light yet durable polyester ripstop construction protects against rugged wear and tear
  • Rain cover included for protection when that surprise storm or while traveling
  • Hydration pocket and port accommodate your system for convenient on-the-go hydration and balanced portability
  • Lower side bottle pockets add hydration capacity for those challenging or isolated treks
  • Front mesh, top-flap, and hip-belt pockets secure essentials right where you want them
  • Multiple side compression straps keep your load tight and efficiently balanced
  • Spindrift collar with drawcord provides comfort behind the head

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ALPS Mountaineering Caldera Backpack - 4500cu in

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