"It doesn't even feel like I am wearing a pack!"

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Ultralight2

HOW DO WE DECIDE WHICH USES LESS ENERGY TO CARRY: AN AARN BALANCE PACK OR ANOTHER BRAND OF ULTRALIGHT PACK IN DYNEEMA COMPOSITE FABRICS?


1. If the Aarn Balance Pack and the backpack are the same weight, the Balance Pack will always require significantly less energy to carry
2. If two backpacks are the same weight and you add Balance Pockets or Balance Bags to one, then the one with the Balance Pockets or Bags will use less energy if the total load (including the pack) is only over 3.5 kg! With heavier loads, this energy reduction is magnified.
3. Imagine a pack that is 1 kg lighter than our large Ultralite models because it does not have Balance Pockets, U Flow systems or waterproof liners, and may not have such an effective frame or hipbelt. Only when carrying very low weights do you have an energy advantage with the 1 kg lighter backpack. With a total load of 7kg or more (including pack weight) the energy savings of our Balance Packs win out, increasing further with heavier loads. (Source: Professor Ray Lloyd). Below 7kg total load, you still get the benefits of better balance, instant gear access and no pull back force on the shoulders with your Aarn Balance Pack.
4. When comparing the weight of other backpacks to Aarn Balance Packs, be sure to compare like with like. Waterproof liners come standard with most of our models, so add these to a competitors product for a true comparison.

NATURALLY BALANCED LOAD + LOW WEIGHT = MINIMUM EFFORT + MINIMUM STRAIN


The research shows that reducing the weight alone will not achieve the maximum efficiency load carrying. Minimum weight must be combined with a naturally balanced load and Flow systems in the pack to achieve the greatest distance with the least effort and strain.

If you have already invested in another brand expensive Dyneema Composite backpack, you can still derive benefits from a more naturally balanced load by adding Aarn Universal Balance Bags.

Sports science findings suggest that adding the Balance Bags will reduce the energy to carry a load once total load of an alternative brand pack and Aarn Balance Bags is above a threshold of only 4-4.5 kg! (depending on how deep the side profile of the pack is). As the load increases above this, the energy savings of your newly created Balance Pack vs your standard pack will further increase. Additional benefits are the instant access to everything you need during the day without stopping and taking the pack off, the greatly improved balance, the more upright posture and the extra capacity. 

Note The energy savings will not match that of a complete Aarn Balance Pack, because other brands of pack have not optimised their frame and bag designs for the slimmest side profile and full body movement (research shows both factors are needed for minimum effort load-carrying).

Hazel Meehan

Mickey & Michelle

The Yogaslackers