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Hyperlite Mountain Gear Unbound 55

Ultralight waterproof backpack specially designed for thru hiking. 55+9 l.

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882 g Weight in grams. We check the weight of almost all items thus our weight information is often more precise than the one given by manufacturers.
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from  414.10 (from  342.23 excl. VAT)

Product information

The Hyperlite Mountain Gear Unbound 55 is a waterproof ultralight pack with exceptional mechanical durability. It is specially designed for uninterrupted long-distance trail crossings (thru hiking).

American made Hyperlite Mountain Gear backpacks (made in the USA and Mexico) have long been among the highest rated backpacks on the PCT. We recommend the Unbound 55 especially for longer hiking trips, where you'll appreciate the large internal (55L) and external (9L) volume, the pack's high durability, and good organization.

Thanks to the DCF (Dyneema® Composite Fabric) material used, it is a top choice among ultralight backpacks in terms of durability and longevity. This makes the backpack worth buying for longer and more intensive use, despite its higher price. In addition, any tears in the material are easily repaired with a self-adhesive kit. The black version of the backpack is made of a higher weight fabric. It is therefore about 100 g heavier, but even more durable.

The back system is reinforced with aluminium reinforcement, which helps to transfer the load to the waist belt. This makes the backpack easy to carry even with heavier loads (up to 18 kg).

Although we label the pack as waterproof, we recommend using it in combination with Hyperlite Mountain Gear bags and pouches. DCF fabric alone will not shed water. Most of the seams, which are minimal due to the construction of the pack, are taped. The main reinforced seams that outline the sides and form the bottom of the pack are sewn on the outside. In this way, the manufacturer achieved a straight seam inside the backpack that could be taped. There is only one unsealed place on the backpack. The seams that hold the shoulder straps cannot be taped due to too much stress on the seam.

What is DYNEEMA® COMPOSITE FABRIC (DCF)?

DCF is a non-woven rip-stop composite laminate. Extra strong Dyneema® fibres are laminated between two layers of polyester. Other so-called hybrid variants are derived from this base. In these, a woven polyester fabric is added to the outside of the laminate to further increase the overall durability of the laminate. These fabrics are labeled DCH50 and DCH150, where the number indicates the grammage of the woven fabric (50D, 150D). Hyperlite Mountain Gear backpacks are made from these fabrics.

BACK AND STRAPS

  • removable aluminium internal reinforcement
  • integrated foam back pad
  • fixed straps with loops for attaching additional gear (daisy chain)
  • chest belt with whistle and the option of attaching an additional Versa pocket or a smaller Vice Versa
  • quick and comfortable waist belt tightening system
  • waist belt can be removed

STORAGE SPACE

  • front elastic pocket - accessible from top and bottom
  • external elasticated pocket on the bottom of the backpack - accessible even when walking, suitable for e.g. waterproof jacket
  • two fabric side pockets with drawstring
  • two waterproof zipped pockets on the waist belt

ADDITIONAL FEATURES

  • roll-up lid - roll up 3 times for sufficient waterproofness, plus you can regulate the overall volume of the backpack
  • top handle on the lid, e.g. for attaching a mattress
  • sturdy straps with loops for attaching additional gear on the sides of the pack (daisy chain)
  • trekking poles can be carried in one of the side pockets
  • side compression strap

This backpack does not have a hydrovac outlet or an internal pocket for a hydrovac.

ACCESSORIES

Accessories can be purchased with the backpack. Not included.

HOW TO CHOOSE A BACKPACK SIZE?

Have the length of your spine measured from the level of the iliac crest (the top of the bone on the side of your back) to the C7 vertebra at the base of your neck. This is the top of the first protruding vertebra when the head is tilted.

  • Length 38 - 43 cm = size S
  • Length 43 - 48 cm = size M
  • Length 48 - 53 cm = size L
  • Length 53 cm and over = Tall size

If you measure your back length, choose the larger size. For example, for a back length of 48 cm, choose size L.

Specification

Volume 55+9 l
Height up to 96,5 cm fully unrolled
Width 30 cm
Depth 20 cm
Maximum load 18 kg
Material DCH50 white - 50D face fabric, Dyneema® Stretch Mesh
DCH150 black - 150D face fabric, Dyneema® Stretch Mesh
Weight 882 g (S)
900 g (M)
901 g (L)
923 g (Tall)
954 g (S)
969 g (M)
983 g (L)
1000 g (Tall)
(weighed in Pod 7 kilo)

Reviews (2)

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Reviews

3 weeks hiking with a L model and a S for my wife and we are super happy with terrain usage of this model, weight and waterproof. Thx for having this model accessible in Europe 👍

Our 2023 trip topo https://www.camptocamp.org/outings/1563458/fr/sentiers-des-cols-alpins-a-notre-sauce-ou-comment-aller-voir-les-glaciers-

Samuel

2023/08/14 11:15

Batoh jsem koupil na 10-denní trek v Irsku a i když je fakt drahej (černá varianta, velikost L), nelitoval jsem ani na chvilku. Polovinu času lilo, takže nepromokavost na jedničku, na zádech sedí perfektně a za celou dobu (250 km) ani jediný problém s bolestí zad. A to nejsem nejmladší a krosnu jsem neměl na zádech 8 let:). Bytelný, nemám strach, že se něco utrhne nebo prodře, obrovský objem, velké a snadno přístupné boční kapsy, praktické a snadno jednou rukou ovládatelné kapsičky na bederáku, domyšlené popruhy a úchyty. A samozřejmě krásná hmotnost, komplet spaní, oblečení, jídlo, voda a další blbiny se vešly do 13 kilo (jo, není to pod 7 kilo, ale mám rád svoje pohodlí).

Pavel Koza

2023/09/24 18:29

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