Unbound 40
Unbound 40 - Image 2
Unbound 40 - Image 3
Unbound 40 - Image 4

Unbound 40

388€

773gr

New model designed for hikers looking to walk lighter without stopping. With an internal frame, Dyneema construction and taped seams, it is fully waterproof.
It has several accessible pockets and suitable capacity for multi-day trips.

Choose your options to see availability and delivery.

Pack Shoulder Pocke
1 × Pack Shoulder Pocke
51€
Mesh Water Bottle Pocket
1 × Mesh Water Bottle Pocket
41€
  • FREE shipping from €150 Fast shipping from Spain across Europe with DHL
  • 30 days to return
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SKU: 185 Category: Brand:

The Unbound 40 is a hiking backpack made in Maine (USA) by Hyperlite Mountain Gear. It’s very similar to the Southwest, but with more accessible pockets—ideal for hiking longer without stopping.

When to use it

This model pushes you to carry only the essentials. With a 40 L main compartment plus 9 L in additional pocket space, it offers just the right capacity for an overnight trip or multi-day treks.

It can comfortably carry up to 18 kg, and thanks to its fully taped fabric and seams, it’s completely waterproof. This removes the need for an additional rain cover.

Hiking backpack

Photo @hyperlite_mountain_gear

Design

The front pocket, along with the large side pockets and the stretchy bottom pocket, keeps everything you need within easy reach—even while moving. The roll-top lets you adjust the load as you go, and makes it easy to stash a jacket, a sleeping pad, or rope.

Another difference is that it uses only a removable stay to transfer weight to the hip belt instead of a full frame. The removable hip belt keeps the load stable and improves comfort while carrying.

Hiking backpack

Photo @ztracenvleseandpetra_detska

Made from Dyneema Composite Hybrid

The Unbound hiking backpack uses a hybrid fabric made from Dyneema and polyester, known for its durability and strength (DCH). Made with a 50-denier version of DCH, with 150 denier on the base to handle higher abrasion.

Dyneema is a waterproof fabric and doesn’t absorb water like other UL fabrics. Combined with taped seams, it’s fair to say this pack is practically waterproof.

Specifications

  • White color.
  • Maximum load 18 kg.
  • Volume: 49 L total: 40 L main compartment + 9 L external pockets.
  • Aluminum back frame.
  • Roll-top closure.
  • Ice axe/trekking pole attachment.

Size charts

Size (measure your back length)
M 42 – 48 cm
L 48 – 54 cm

Gossamer Gear sizing guide

Ratings and reviews

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