The main difference between the Mountaintop 40L Hiking Backpack and the Gregory Mountain Mountain Nano 18 Backpack is that the 40L Hiking Backpack has Water Proof / Water Resistant (Water resistant material ) while the Mountain Nano 18 Backpack does not.
Specs | Brand | Mountaintop | Gregory Mountain |
Name | 40L Hiking Backpack | Mountain Nano 18 Backpack | |
Category | Hiking | Backpacking | |
Sub Category | Outdoor | Hiking | |
Capacity (L) | 40L | 18L | |
Dimensions (in) | 20.1 x 13.8 x 6.3 | 18.8 x 11.4 x 1.9 | |
Weight (lb) | 2.1 | 1.0 | |
Fabric | Polyester | Nylon | |
Color | 20+ colors and patterns | 4 colors and patterns | |
Warranty | Mountaintop Warranty | The Gregory Limited Lifetime Warranty | |
Release Date | August 1, 2016 | July 16, 2020 | |
Rating | 4.6 | 4.5 | |
Price | Under $50 | Under $75 | |
General Features | Shoulder Straps | S-curve sponge padded shoulder strap | Air mesh padded shoulder straps |
Sternum / Chest Straps | Elastic chest strap | Sternum strap | |
Hip Belt / Waist Strap | Adjustable waist belt | Removable hip belt | |
Water Proof / Water Resistant | Water resistant material | ||
Zippers | YKK zippers | ||
Main Compartment Access | Normal zipped access | Normal zipped access | |
External Pockets | Zipped top, middle and bottom pockets plus two side pockets | 1 zipped front pockets and 2 side pockets | |
Internal Compartments | Spacious main compartment with pockets | ||
Side Pockets | Side pockets can fit water bottle or umbrella | Side pockets can fit water bottle and other accessories | |
Water Bottle | Yes | Yes | |
Handles | Top grab handle | Top grab handle | |
Business & School Features | Laptop Sleeve | Laptop pocket fits up to 17" | |
Tablet Sleeve | Separate tablet pocket | ||
Organizer Pocket | Front utility pocket | ||
Travel Features | Carry-on Size Compliant | 40.2 linear inches carry on size compliant | |
Compression Straps | External compression straps | ||
Hiking / Backpacking Features | Back Panel | Breathable padded back panel | Padded back panel |
Rain Cover | Rain cover included | ||
Ventilated Back | Air diversion back system | ||
Trekking Pole Holders | Hiking pole attachment | ||
Gym / Sports Features | Shoe Compartment | Bottom compartment for shoes | |
Hydration Features | Hydration Compatible | Yes |
Mountaintop 's 40L Hiking Backpack is a Hiking backpack with Outdoor features while Gregory Mountain 's Mountain Nano 18 Backpack is a Backpacking backpack with Hiking features.
The Mountaintop 40L Hiking Backpack has a capacity of 40L (liters), weighs 2.1 pounds and it's dimensions in inches are 20.1 x 13.8 x 6.3 . It's made of Polyester and is available in 20+ colors and patterns in comparison the Gregory Mountain Mountain Nano 18 Backpack's capacity is 18L with a size of 18.8 x 11.4 x 1.9 inches. Constructed from Nylon it weighs 1.0 pounds and is available in 4 colors and patterns.
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