Ultra 550 (New UltraViolet Colorway)

Rated 5.00 out of 5 based on 3 customer ratings
(3 customer reviews)


Ultra comfortable and stress relieving hand carriage.  This is the Ultra 550 Handheld.  Soft feel and natural conformation to the hand.



Ultra comfortable and stress relieving hand carriage.  This is the Ultra 550 Handheld.  Soft feel and natural conformation to the hand.

Additional information

Weight 0.3 lbs
Dimensions 8.5 × 3.5 × 3.5 in

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3 reviews for Ultra 550 (New UltraViolet Colorway)

  1. Rated 5 out of 5

    InchRunsMiles (verified owner)

    This is the most comfortable handheld I’ve ever used. I thought the ISO VERSA was comfortable (and it is!) but this takes ergonomic ease to a whole new level. You will quickly forget you have anything in your hand. The pocket is just enough storage for a gel, emergency TP, some tabs and even your phone if you are so inclined. Highly recommended!

  2. Rated 5 out of 5

    Bartman (verified owner)

    Because I like the Ultra Flask 550 hydration bottle so well, I decided to give this newest addition to the UltraSpire product line a try. The slim profile of the bottle brings the center of mass of the bottle closer to the body and the wide dual adjustment strap combine to make this an extremely comfortable handheld to carry. Perhaps because of my particular anatomy, I struggled a bit to come to terms with the actual drinking from this handheld, and it took me a while to get used to it. To my engineering mind the bottle valve is turned almost 90 degrees away from the mouth as compared to the my old favorite, the Iso Versa Pocket handheld, but that issue was easily resolved once I learned to slip my thumb free around the neck of the bottle and the entire assembly could now easily pivot in my hand to access the final drops of liquid. One beauty of Ultra 550 is that it can be carried in three different ways which is an advantage during a 4 to 5 hour or longer outing. The pocket is a bit tight, but I usually only use a handheld pocket for very light items (maybe a gel, TP, hanky, etc.) so the tightness has the advantage of keeping items secure.

  3. Rated 5 out of 5

    Anthony Fetter (verified owner)

    This is a fantastic handheld. It’s very comfortable to carry and keeps my hands free from fatigue because you don’t need to “hold” the bottle really. I cinch up the straps and the bottle stays put nicely without me needing to squeeze it at all. I would have to agree with Bartman as far it being slightly awkward to drink from. I haven’t completely gotten used to it yet. Although, I do prefer it to my standard handheld because it is so comfortable to carry. My wife likes it too.

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