Gregory Mountain Hydration Backpack Review

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The Gregory Mountain Hydration Backpack is excellent for a plethora of occasions. If you are heading out on a long run, bike ride, hike, or anything else, then having a comfortable and reliable backpack is key. Of course, it has a versatile design so you can use it more than just your outdoor adventures. Some customers opt to use this bag in lieu of a briefcase. It does come with external access to a 15-inch laptop compartment as well as a tablet sleeve, making it great for your school and office needs.

Customers can appreciate the simple and straightforward design of the pack. Unfortunately, it does come it only two colors, neither of which are neutral. You have to choose between blue or purple. It doesn't bother a lot of customers, but some are dissuaded by it. If you don't mind the color options, it makes for great purchase with a simple style.

One of the things that customers absolutely love about the Gregory Mountain Hydration Backpack is the affordable price tag. Since there aren't a lot of extra bells and whistles attached to the bag, you get great function at a low cost. This is ideal for those who are living on a budget and can't afford to spend too much money on their running gear. You're so going to get a fantastic bag from atop name company but at a great low price.

Overall, customers love this bag. It is made of high-quality materials that are going to fall apart, and it gets the job done.

Editor's Pros & Cons

Affordable price

Hydration port

Adjustable sternum strap

1-inch hip belt

Padded straps


Not waterproof

No external pockets


When you are heading out for an adventure, you're going to need some way to carry your necessities around with you. A lot of times, customers will wear a running or hiking pack so they can keep their essentials with them without the burden of carrying extra things in their pockets or hands. Gregory Mountain produces a plethora of great adventure packs for those seeking one.

That said, this day pack might not be the best option for hardcore adventurers. In fact, most consumers will use this bag for their daily tasks. It can make a great replacement for a briefcase or a laptop case. It actually comes with a 15-inch laptop compartment that is padded for extra security from your computer.

Yes, you can use this when you're going out for a long-distance run, bike ride, or hike. The pack and actually do a decent job on your outdoor adventures. It does come with an adjustable sternum strap as well as a removable one in Hip belts. This helps keep the bag securely in place when you're active. This way, when you are running or biking, you don't have to worry about the backpack bouncing up and down, putting extra stress on your shoulders.

Additionally, it may not seem like it, but this pack is compatible with hydration bladders. So yes, if you're heading out for a long trip and you need something to slip your hydration pouch into, this bag will be perfect and can take care of your needs for you.


The Gregory Mountain Hydration Backpack is primarily made out of nylon. This is typical for products like this because it gives you a durable and breathable material for comfort and functionality.

Nylon is exceptionally durable and offers a decent amount of stretch without sacrificing the integrity of your materials. Additionally, it is resistance to a lot of things, including mildew. The unfortunate part, however, is that it isn't waterproof. That said, if it does get wet, it will dry rather quickly, so that's a bonus.


The Gregory Mountain Hydration Backpack isn't an extremely large travel bag, but it can hold a decent amount of your essentials when you're out and about. In fact, it has a 22 L capacity or 1,343 cubic inches. Additionally, it does have a hydration port it is compatible with a water bladder so you can sleep on in your bag while you're on the go with no problems.


By looking at this bag from the outside, it might not seem like there's a lot of storage available. However, you would be wrong. The bag has a single zippered main compartment with no extra external Pockets available. However, you do have external access to a padded laptop compartment and tablet sleeve that is compatible with a 15-inch laptop. Additionally, you're going to find a dual external flap accessory pocket that contains a clip for your keys as well as a bike light. The bag also offers a single side zipper, which consists of a passport pocket for your small belongings. The inside of the bag features an internal security pocket made of mesh materials. Additionally, there is an interior divider notebook sleeve.

No, there might not be a lot of pockets and storage available in this bag, but you would be surprised at how much it can actually carry.


If you're spending a lot of time outdoors on warm summer days or you're doing a lot of physical activities, you want to make sure that anything that you're putting on your body is breathable. Ensuring that you can get a decent amount of airflow to your skin is extremely important in ensuring that you don't overheat. You need to make sure that the air is able to get into your skin so it can help cool you down, as well as keep you dry. This will help the sweat from your body evaporate, so you aren't stuck wearing wet gear throughout the day.

Thankfully for most customers, the Gregory Mountain Hydration Backpack offers a decent amount of breathability. This is mostly thanks to the fact that it is primarily made of nylon, which can provide a fair amount of airflow. Of course, while you are out and about with a backpack on your back, you can expect your back to get hot and sweaty.

Even though the backpack is breathable, you can still expect your back to warm up a bit faster than the rest of your body since it is an extra layer on your back. However, customers can agree that it isn't too much of a nuisance. It isn't any different than some of your other high-quality and breathable adventure packs.


Unlike some of the competitor packs on the market, this one is not waterproof. If you are heading out on an overcast day with a chance of rain, you might want to leave this bag at home. It's not going to keep your belongings safe and dry inside the pack, especially if you're using this bag in lieu of a briefcase and carrying your laptop with you. You don't want to get stuck in the rain and have everything in your bag destroyed. Unfortunately, if you're after a waterproof bag, this one's not for you.


Comfort can play an essential role in whether or not you purchase a backpack. If you're going to be carrying around your adventure gear or your work supplies on your back, you want to try to make sure you're staying comfortable.

The Gregory Mountain Hydration Backpack does a pretty decent job ensuring that you're staying as comfortable as possible while you are out and about. The bag features an adjustable sternum strap as well as a 1-inch hip belt to make wearing the pack more relaxed and more comfortable. You are going to have to worry about your backpack bouncing up and down as you are riding a bike or running. It's going to stay securely against your back for optimal comfort.

As an extra layer of comfort, the pack provides padded straps. This is great so you don't have to worry about the material of the straps digging into your shoulder, especially if you have extra weight in your bag. Additionally, the bag features a padded top grab handle.

Not only is the bag itself going to keep you comfortable, but the ability to carry all of your belongings in one spot is also going to increase your comfort level. Since you weren't going to have to Lug around extra water bottles and running packs, everything will fit right in this bag. Everything you need in one place makes things a lot more convenient and easier for your adventures.


You're spending a lot of time running, hiking, biking, or anything else, you need to make sure that you have everything with you that you're going to need, but you don't want to pack on a lot of extra weight. Just because you have to carry a backpack along with you for your Essentials doesn't mean you have to add a lot of unnecessary weight.

The Gregory Mountain Hydration Backpack, When empty, weighs only about 2 lb. Customers can appreciate that the bag is lightweight, yet durable. It's going to give you everything that you need in a hydration and running pack without all of the extra weight.

That said, keep in mind that the more things you load into it, the heavier it's going to be. If you are running with a full bladder of water and anything else you might need to bring along with you, it's going to add some extra weight to your back.


The Gregory Mountain Hydration Backpack has a simple and plain design. It's only available in two colors: indigo blue and zin purple. Some people would have preferred a wider variety of color options, but for the most part, they're content with what they have available to them. It is unfortunate that it doesn't come in any neutral colors such as black or gray. However, some people like that it gives their running gear a little pop of color.

As mentioned above, there aren't any external pockets located on this backpack. Because of this, it is just a simple everyday looking backpack. You will see the Gregory Mountain logo imprinted on the front of the bag. Other than that, there are no other designs or markings.

Overall, customers like the plain and simple design. Nothing flashy, nothing that stands out too bad. It's there to do a job, and it does it well, without all the bells and whistles.


When you compare the Gregory Mountain Hydration Backpack to some of the other products on the market, it actually has a relatively low price tag. Even if you compare the Brand's other products to this one, it is on the cheap side. This is great for those who are living on a budget and can't afford some of the more pricey products out there. However, don't let the low price tag full you. It is still a great brand and a good quality bag.

Since it does have a lower cost, you are going to get all of the features and benefits that you'll get from some of the other more pricey bags. It is plain and simple. There no external pockets; there isn't a lot of separate storage spaces. However, it can hold a decent amount of gear, including your water bladder.

Because of the high-quality and greet function of this daypack, customers do believe that it is a great value. If you're on a budget and need a good bag for your adventures, then you come to the right place.

Bottom Line

The high quality and affordable cost make the Gregory Mountain Hydration Backpack perfect for just about anyone. The durable design ensures that your belongings are staying safe and sound while you're out and about, so there's no need to worry on that front. Additionally, it features a hydration porch, so you don't have to Lug around any extra water bottles. You can simply slip in a water bladder, and you're good to go.

Unfortunately, there are no external pockets or pouches for you to store your little things in. However, there is plenty of room in the large main compartment of the bag for everything that you need. Lightweight design and cushion shoulder straps help give you a comfortable feel, so you aren't feeling overburdened while you are out and about.

Customers adore this daypack. Many of them would recommend this to their friends, family, and fellow outdoor enthusiasts.