Split main compartment
A horizontal divider separates the main compartment, and a large #10 zipper opens the lower section.
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Caldera 75 backpack
In the field
The ALPS Mountaineering Caldera 75 is a 75-liter, top-loading pack for multi-day trips. Separate access points, a removable convertible lid, and an adjustable torso system organize loads and tune the fit.
Convertible lid and front access
The extendable, removable lid can convert to a waist pack. A front wing-lashing system surrounds a large front-access zipper.
Trail-side storage and fit
Side pockets hold trekking poles or water bottles, while the adjustable torso length supports a customized fit.
Capacity and access
- Capacity
- 75 LWith a generous 75L capacity
- Loading style
- Top loadingTop-loading access
- Main compartment
- Horizontal dividerThe main compartment features a horizontal divider
- Lower access
- #10 zipperthe lower section is accessible through a large, durable #10 zipper.
- Front access
- Large front zipper with wing lashingfront wing lashing system houses a large front access zipper
Carry and storage
- Lid
- Extendable and removableextendable and removable lid
- Side pockets
- For trekking poles and water bottlesside pockets designed to accommodate trekking poles and water bottles
- Torso adjustment
- Adjustable lengthfeatures an adjustable torso length
- Lid conversion
- Converts to waist packthat same lid converts into a convenient fanny pack
Current catalog details
- Catalog color
- GrayCatalog title and current resolved color-pattern metafield
- Designed for
- AdultsCurrent resolved age-group metafield
- Pack type
- BackpackingCurrent resolved backpack-type metafield
- Carry options
- Backpack straps, chest/waist strap, handleCurrent resolved carry-options metafield
The ALPS Mountaineering Caldera 75 is your ultimate companion for multi-day hikes and backpacking trips, designed with the adventurer in mind who needs organization and accessibility on the go. With a generous 75L capacity, this pack is built to carry everything you need while ensuring that every piece of gear is within easy reach.
The main compartment features a horizontal divider to separate your essentials, while the lower section is accessible through a large, durable #10 zipper. Top-loading access with an extendable and removable lid lets you pack more for longer trips. Plus, that same lid converts into a convenient fanny pack when you need to travel light on short excursions.
The Caldera’s front wing lashing system houses a large front access zipper, allowing you to grab what you need without unloading the entire pack. With multiple side pockets designed to accommodate trekking poles and water bottles, hydration and stability are always within arm’s reach. Built for comfort, this pack features an adjustable torso length to ensure a custom fit for long-lasting support.
Recommended use:
Perfect for multi-day backpacking trips, extended hiking adventures, or any outdoor trek requiring substantial gear storage and quick access to essentials.
Bottom line:
Pack smarter, go farther—organize your journey with ease and comfort in every step.
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FAQ
How can I reach Alpine Extreme if I have questions?
Email [email protected] or use our contact form.
Do you offer free shipping?
Free standard shipping is available to most addresses worldwide. Availability, delivery estimates, and any expedited charges depend on the destination and order. International duties, tariffs, and customs fees remain the customer’s responsibility. See our Shipping Policy for details.
What's the return policy at Alpine Extreme?
Eligible return or exchange requests must be submitted within 45 days of the order date. Items must be new and unused with original packaging, tags, and accessories. General change-of-mind returns are not accepted. Return-shipping responsibility depends on the reason for the return. See the full Return & Refund Policy for exclusions and refund timing.
How long will it take for my order to arrive?
Orders are typically processed within 2–5 business days. Most standard shipments arrive within 7–14 business days after shipping, depending on destination and carrier conditions. Delivery estimates are not guaranteed.
Can I track my order?
Yes. Tracking details are emailed after shipment. You can also check order status with your order information through our order-tracking page.
What if there's an issue with my order?
Email [email protected] or submit the form on our support page. Report delivery issues within 60 days of the order date so carrier information is still available.
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