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Osprey Manta 28 Hydration Pack

(16 customer reviews)

$149.00 $89.97

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Product Information


16 reviews for Osprey Manta 28 Hydration Pack

  1. MKSS

    GB&U – Very comfortable. Nice suspension system. It does have a noticeable squeak as noted by many other reviewer‘s. Seem to be coming from the internal frame somewhere near the top.

  2. Hiking Bob

    Very good pack – I bought the Osprey pack for a trip to Europe. It rain a lot more than expected while there. The pack cover kept the pack and all the contents dry.

  3. Mark the outdoorsman

    Great Pack but didnt like the bite valve. – Bought this pack for my Mount Whitney summit. I shopped various other Osprey packs and other brands and this was the most comfortable, had the best strap system and the best storage.

  4. MKSS

    GB&U – Very comfortable. Nice suspension system. It does have a noticeable squeak as noted by many other reviewer‘s. Seem to be coming from the internal frame somewhere near the top.

  5. misplaced yank

    Great Day Pack – This was the first high quality back pack I have owned. After using regular back packs and camelbacks with a bit of storage I decided I needed a good pack for my upcoming Rim to Rim (Grand.

  6. BillOnTheTrail

    Excellent Daypack – I bought this pack to replace an older day-pack that doesn’t have a waist-belt that puts the pack weight on the hips. The Osprey Manta AG has an excellent support system that puts the weight.

  7. Sebastien

    Squeaks! – I bought this bag to replace my old Stratos 34. I changed to the Manta because unlike the current line up of Stratos packs, it has black shoulder straps.

  8. BillOnTheTrail

    Excellent Daypack – I bought this pack to replace an older day-pack that doesn’t have a waist-belt that puts the pack weight on the hips. The Osprey Manta AG has an excellent support system that puts the weight.

  9. misplaced yank

    Great Day Pack – This was the first high quality back pack I have owned. After using regular back packs and camelbacks with a bit of storage I decided I needed a good pack for my upcoming Rim to Rim (Grand.

  10. Jason the waterfall chaser

    Loved it until it started squeaking – I loved this pack other than it was a bit snug around the chest so I can’t really use the magnet clip I would like to see a pit more adjustment in that or make a larger size pack. Lot’s of.

  11. misplacedyank

    Great Day Pack – I bought this pack about a month ago and have used it a couple of times a week while commuting by bike. Here in Phoenix Arizona you need a lot of water in the summer if you are doing anything.

  12. Sammyj6

    Great bag – I like the space and compartments. The air frame back is also awesome.

  13. RepairMan Jack

    My Second – I’m awaiting my second Mantra. I purchased my first 2 years ago and it has been through the ringer. I run commute from 5-10 miles per day, rain or shine, hot or cold.

  14. James

    Great backpack, terrible waist straps – Really like the style and functional features of this pack but the structured waist belt was an absolute deal breaker for me. Unlike my other Osprey packs in the past, the supportive strap.

  15. Steve151

    Super comfortable pack – This a amazing pack. I was looking for a pack with at 20l storage, but less than 30, and an air gap between the load and my back.

  16. Kevin

    Good…. but one kind of annoying feature. – I use this for travel, commute and hiking. To be honest, its a great pack but i do have one complaint: the hip belt. The hip belt is pretty rigid, and i dont need it all the time.

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I debated and researched daypacks. I specifically wanted a hydration pack due to a water misjudgement on a warm fall hike last year. NEVER again! Came down to the Camelbak Fourteener and Osprey 28. My concern was would I have enough room, particularly for my DSLR (Canon 5D II). There's a gap in the photo backpack market, and you are forced to choose between a technical pack or a photo backpack. Each has its pros and cons. But I have another pack specifically for photo excursions, so it really came to down to the priority of the day. I'd sometimes drag along my DSLR, but because it's not necessarily a pack that's conducive to lashing a tripod anyway, the larger camera may not always come with we. After reading the reviews, I decided I liked the idea of the magnetic bite valve holder on the Osprey as well as the trekking pole loop configuration. I now see what folks were talking about with the bladder handle stealing some room in the main compartment. The curve of the handle eats into the space. I think it actually changes the linear shape of the compartment, and the bag is still the 23-24 liters after the bladdder is full. BUT . . . with this, there is still plenty of space in the pack for an extended day peaking in the ADKs. I can fit my rain shell, DSLR with 24-105 lens (when wanted), a point 'n shoot tough camera, first aid kit, space blanket, food, mini tripod inside the pack and still have room to spare. I rolled up 3 t-shirts and stuffed them in there as well and they fit. Which works out well because I hike with my boys and parents always tend to become pack mules for their kids ("can you take this?"). Fit is great. Cinch straps snug the pack down against my body. LOVE the webbed backing. Keeps my back comfortable and dry. This is my first hydration pack so still getting used to the bite valve and can't compare to other systems. I'm 6'1" at the start of the day, about 5'10" after a long day at the office. ;-) At 6 ft. +, the hip belts ride just a smidge high on even the large size. But with only two sizes to choose from , with some strap adjusting it feels very comfortable. The hip belts are not padded - just a mesh webbing. But they do have pockets on each which is great for that protein bar, keeping my phone, headphones, etc. And I do love the magnet keeping the bite valve from dangling (I don't like loose things bouncing around). Overall I'm extremely pleased with my choice. Comfortable with plenty of room. There's still the 36 if you think the 28 won't be room enough, though I can assure you this is plenty of room for day hiking. It's still early in the season so I can't speak to wear and longevity, but I get the sense this won't be a problem. And Osprey's guarantee is another plus to consider anyway.

Product Attribute Details
Cargo CapacityS/M 1587 cu. in. (26 L)
L/XL 1709 cu. in. (28 L)
GenderUnisex
Laptop CompartmentNo
Trip LengthDay (0-35 L)
Insulated TubeNo
WeightS/M 2 lb. 1 oz.
L/XL 2 lb. 3 oz.
Volume Range26-35 liters
Capacity Fluid3 L (100 fl. oz.)
Insulated Hydration SleeveNo
Waist BeltYes
BrandOSPREY
MPN1304411
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