I purchased the CAMP water bottle holder to function as my main on-the-move hydration system after mounting frustration with freezing bladder hoses and bulky bottle holders. Since it arrived, I've used it for both uphill training at the local resort to longer tours.
The bottle holder serves it's intended purpose fairly well. It is easily transferable to several packs with minimal modification. The one caveat is that the velcro strap at the top requires a horizontal anchor point. For packs which lacked this feature, I simply strung a piece of accessory cord which functioned just as well. The bottle holder is secure and cleanly holds a variety of bottles, though my preferred is a 0.5L nalgene.
In designing this product, CAMP clearly focused on minimizing weight, and as a result, the penalty for adding this to a pack is minimal. The downside to this is that there is limited insulating capability - the bottom of the holder is completely exposed to the outside climate. This has made a difference on chilly days, as there is substantial freezing even using a wide-mouth bottle. Some competitor products offer insulated sleeves on their pack straps, and at times I find myself wishing CAMP made a beefier version for those days in which freezing is an issue.
The gel holder pouch is a nice addition, and is easily accessible for long tours or during races. I find it's also a nice place to stash those gooey used wrappers, avoiding the usual pocket mess. I have yet to experiment with a larger soft-bottle for gels in this holder, but it seems it may be a viable possibility.
Overall, this bottle holder is a very nice addition, portable to numerous pack configurations, and extremely convenient for those moving fast in the backcountry provided you have reasonable temps to prevent freezing. Since purchasing it, it has become the envy of many relatives, and as a result I've had to purchase a few additional ones as gifts.
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