
Everfun Hydration Backpack – $44.99 – $54.99
Staying hydrated on long rides, hikes, or outdoor adventures is essential, and the Everfun Hydration Backpack offers a convenient solution. More than just a small backpack, this pack features an integrated hydration bladder, allowing you to carry up to 3 liters of water—far more than standard water bottles. With a durable, water-resistant design, multiple storage compartments, and a comfortable fit, it’s built for endurance athletes, bikepackers, and adventurers who need reliable hydration on the go. PEZ took the 2-liter version for a spin—here’s what we found.
Per the manufacturer:
- The hiking bag features high-density nylon fabric and a built-in rain cover – ideal for rainy activities. The reflective strips keep you visible in low-light conditions. A designated space for your helmet between the outer and middle pockets.
- Stay organized with 9 functional divider pockets to keep all your essentials secure. The 18-liter main compartment is large enough for clothes, notebooks, first-aid kit, pet supplies. Built-in mesh pocket for personal valuables. Exterior upper velvet pocket for protecting glasses, cameras, cell phones. Trekking poles/water bottles fit in the side mesh pockets for easy access.
- This hiking hydro backpack has a special separate insulated compartment for the water bladder to keep liquids cool for up to 6 hours (with ice packs), making it perfect for long hikes, bike rides, or any outdoor adventure.
DIMENSIONS: 18.5″ tall x 10.5″ wide x 6″ deep
Chuck Peña PEZ sez: At first glance, the Everfun Hydration Backpack looks like … well … a small backpack. But what sets it apart is the internal bladder for liquids. By way of comparison, my Camelbak Podium water bottles are 21 oz (620 ml). The 2-liter version of the Everfun Hyrdation Backpack is the equivalent of more than three Camelbak Podium water bottles (either in replacement of or in addition to the two you might normally carry on a bike). The 3-liter version is almost five! So if you do riding where hydration is of paramount importance and you may not have easy access to a gas station or convenience store to refill water bottles, this is definitely the ‘droid you’re looking for.
As a backpack for carrying stuff (for example, books) around, the Everfun Hydration Backpack is fully functional. I’ll let pictures do a lot of the talking.
The main compartment has zippered mesh pocket (inset) for storing stuff you want to keep secure (my soft case with all my spare tube, tire levers, CO2, etc. plus mini-pump for reference)
Hydration bladder
NOTE: The interior of the main compartment isn’t padded so IMHO not ideally suited for carrying a laptop (although actually big enough for my MacBook Air). If I did want to carry a laptop, I would probably put it in a protective sleeve — maybe even a waterproof sleeve as a paranoid precaution against the the one-in-one million chance the hydration bladder bursts. Alternatively, you could put a laptop in the space reserved for the hydration bladder but that would defeat the purpose of having a hydration backpack.
If you need to carry something more than can fit in the main compartment, you could use the bungee /shock cord strap to hold it in place (like a rolled up sweatshirt or jacket)
The outside pocket is lined with a soft material to help prevent scratching (my daughter’s old iPhone 6S Plus for reference)
And there’s a carabiner clip to attach stuff to (maybe a small flashlight, a solar power bank/charger, or poop bags if you’ve got your dog in tow)
Front/secondary compartment to hold more (small-ish) stuff
The front compartment “hinges” to create a space that can be used to carry a helmet when off the bike
The straps are a padded mesh material and the back padding is also mesh for air flow/comfort
The mesh side pockets for stowing whatever else you can fit, including … wait for it … water bottles
Of course, the real reason to buy an Everfun Hydration Backpack is its hydration capability/capacity. PEZ got the 2-liter version. The bladder stores in separate section of the main compartment. NOTE: The backpack itself is the same whether you get the 2-liter or 3-liter bladder (and it’s possible to buy the bladder separately if you ever need to replace it or want to upgrade from 2- to 3-liters).
Unscrew the cap to fill the bladder with water or your favorite sports drink. The opening is big to make it easy to fill and to add ice cubes
The hose is detachable to make it easier to clean the bladder
There’s a sleeve at the top of each shoulder strap to route the hose from the inside of the main compartment. The dust cover helps to prevent damage and keep the bite valve clean when not using.
Pull to open (green arrow) the bite valve and push to close (red arrow)
A rain/dust cover is stowed in the bottom zipper compartment
Wearing the Everfun Hydration Backpack is like any other backpack. Slip your arms through the shoulder straps and adjust them for fit. If you need a more secure/stable fit, there is a chest strap that connects the shoulder straps and a waist strap. I’m not a hiker, but it’s a set up that should work well for a day hike carrying a nice picnic lunch.
As a former bike courier, I’m partial to courier bags, and for my riding, I don’t have a practical use for a hydration backpack. That said, the Everfun Hyrdation Backpack works as advertised. As a backpack, it can hold an assortment of stuff — bike-related or otherwise. And as an alternative (or in addition to) water bottles, a simple bite and sucking on the valve delivers a flow of liquid on demand.
The Everfun Hyrdation Backpack may not be an accessory for diehard roadies wanting to look EuroPro on their weekend shop/training ride. But it’s easy to see how it would be more than useful for ultra-endurance, gravel, mountainbike, and other off the beaten path adventure riding — like PEZ’s il dottore aka Dr. Stephen Cheung’s 5-day self-supported bikepacking trip in Iceland.
** SAVE 10% Off – Use Promo Code “10PezCycling” when you buy this Everfun Hydration Backpack $44.99 – $54.99
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