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Mountainsmith Apex 100 CLEARANCE Internal Frame Backpack

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Item # MNS16204zM
The rugged Mountainsmith Apex 100 internal frame backpack offers 6400 cubic inches of storage space. Load-carrying capability and organizational features combine to make the pack an ideal option for extended backpacking trips.



The rugged Mountainsmith Apex 100 internal frame backpack offers 6400 cubic inches of storage space. Load-carrying capability and organizational features combine to make the pack an ideal option for extended backpacking trips.

Utilizing a PE framesheet and X-shaped aluminum support stays and a fully adjustable suspension, the Apex 100 is designed to comfortably haul heavy loads by efficiently distributing weight, providing better load control, and increasing flexibility. A channeled backpanel padded with perforated foam allows air to circulate, keeping your back cool and dry while in the backcountry. Fit is adjustable to accommodate torsos ranging from 17"-22" in length. A dual density waistbelt supports weight and provides cushioning while conforming to the contours of your hips. Adjustable shoulder straps, load-lifter straps, and an adjustable sternum strap further enhance fit and comfort. Side and bottom compression straps allow you to cinch down your load for better stability and maneuverability.

The large top-accessed packbag of the Apex 100 offers a standard capacity of 5800 cubic inches and an integrated spindrift collars expands usable capacity to a full 6400 cubic inches when extra space is needed. The height of the lid can be adjusted to accommodate the expanded collar. The lid can even be detached entirely for use as a lumbar pack or shoulder sling. A U-shaped zipper on the front of the pack enables you to quickly put hands on contents without having to open the top lid. A separate sleeping bag compartment can be accessed through a zipper on the front of the packbag. This compartment is separated from the main packbag by an internal divider that can be unzipped to convert the interior of the Apex 100 to a single, oversized compartment. A large front stretch pocket allows you to keep extra layers or other gear at the ready.

Other features on the Apex 100 include trekking pole mounts, ice axe loops, side stretch mesh pocket, smartphone-compatible waistbelt pockets, and various gear attachment points. An internal lined pocket and drinking tube exit port make the pack hydration system (sold separately) compatible.

The Mountainsmith Apex 100 internal frame backpack is available in your choice of color options.

  • Dual density EVA/PU shoulder strap and waistbelt padding
  • D-ring clip attachment on shoulder strap
  • Multi-point ladder adjustment suspension for S/M/L/XL torso range
  • Anvil Airway with ridged back panel padding
  • Vertically adjustable waistbelt for fine tuning lumbar placement
  • SlingShot detachable top lid converts into a lumbar pack or shoulder sling
  • Forward pull waistbelt with V adjustment webbing and Tuning Fork framesheet
  • Side panel mesh storage pocket with Over/Under strap pass through
  • Front panel stretch mesh pocket with daisy chain attachment loops
  • U-shaped zipper access to main compartment
  • Smartphone compatible waistbelt pockets
  • Bottom panel compression straps
  • Separate sleeping bag compartment with internal divider



Best Use Backpacking
Access Top Loading w/ Sleeping Bag Compartment
Warranty Limited Lifetime
Volume 5800-6400 cu in
Type Internal Frame Backpack
Sternum Strap Yes; Adjustable
Maximum Weight 70 lbs
Material Multi-rip Cordura HP and Cordura HP
Item Weight 6 lbs
Torso Adjustment Yes
Hydration Compatible Yes
Frame Material Aluminum
Fits Torso 17"-22"
Fits Waist 28"-48"
Dimensions 31" x 11.75" x 9"
Detachable Daypack Yes


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