OutdoorGearLab

If we could only own one model for ski touring where weight and a specific feature set are a priority, then the Black Diamond JetForce Tour 26L would be it. This model uses the Alpride E1 supercapacitor-powered system. The supercapacitor can deliver a large amount of energy in a relatively short period of time, and is only minimally affected by temperature. This system saves around 2 lbs over a lithium-ion battery. This pack design is a favorite, and it's one of the lower-weight models that still has the majority of features that most backcountry travelers are seeking. 
With that said, its 26L design is big enough for most day tours, but folks who have a hard time packing light may find themselves annoyed trying to cram all their stuff back in this pack at every break. But if you can keep your backcountry kit tight and make this smaller volume work, the Tour 26 will reward you with user-friendly features, light weight, and the best airbag system on the market.
Read more: JetForce Tour 26L review

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Switchback Travel | Black Diamond JetForce Pro 25L Review

There are not a lot of airbag packs on the market that fit people shorter than 5'6" well, and there are even fewer options for folks 5'4" and under. If this is you, look no further than the women's-specific Mammut Pro X Removable 3.0 35L - Women's. This model was ultra-comfortable with pleasant padding and ergonomically designed shoulder straps, and it also had a great, user-friendly pack design. This combination of top-tier comfort for shorter users, along with one of the most functional designs, earned this pack an award. 
While we loved nearly everything about this pack, there were a few things that could be improved upon; most notably, the model's hybrid back panel/clamshell design. The Pro X Women's back-panel access is easy to open and close, but like all back-panel access designs, it is hard to maximize volume or pack very full. Mammut saw this and added a semi-clamshell style opening to the pack, which worked fairly well for packing purposes, but it was still harder to access items deeper in the pack without going in through the back panel.
Read more: Mammut Pro X Removable 3.0 35L - Women's review

powerreviews

The Black Diamond JetForce UL  is impressively light. At 4 lbs 6 oz, this pack is significantly lighter &#40;1-3 lbs&#41; than nearly all other airbags on the market at a similar volume. It features Alpride's 2.0 airbag system, which is unquestionably the lightest on the market. It's a stripped-down pack that is light on features, but we appreciate the helmet carry system and the small mesh internal pocket included for organization.
The JetForce UL makes some sacrifices to functionality and comfort to achieve its low weight. Its waist belt is basically a thin piece of nylon, and there is no real back support aside from the bit of rigidity created by the airbag system. The internal avalanche tool sleeve is difficult to access when the pack is full — which it will be, due to the small volume. The pack feels quite small for the 26L of claimed volume, and is just barely big enough for most day tours. However, after extensive testing, we didn't find most of these sacrifices to be deal-breakers. For folks who hesitate to bring an airbag due to weight, or anyone seeking the lightest still-functional airbag pack, this is it. 
Read more: Black Diamond Jetforce UL review

Avalanche Airbag Pack Comparison