The main difference between the TETON Sports Mountain Adventurer 4000 Backpack and the Gregory Mountain Mountain Nano 18 Backpack is that the Mountain Adventurer 4000 Backpack has Loops and Attachments (Exterior and interior gear loops) while the Mountain Nano 18 Backpack does not.
Specs | Brand | TETON Sports | Gregory Mountain |
Name | Mountain Adventurer 4000 Backpack | Mountain Nano 18 Backpack | |
Category | Hiking | Backpacking | |
Sub Category | Backpacking | Hiking | |
Capacity (L) | 66L | 18L | |
Dimensions (in) | 27 x 12 x 10 | 18.8 x 11.4 x 1.9 | |
Weight (lb) | 5.3 | 1.0 | |
Fabric | 420D Black Oxford 1000mm WR | Nylon | |
Color | Black | 4 colors and patterns | |
Warranty | TETON Sports Lifetime Warranty | The Gregory Limited Lifetime Warranty | |
Release Date | September 25, 2019 | July 16, 2020 | |
Rating | 4.6 | 4.5 | |
Price | Under $150 | Under $75 | |
General Features | Shoulder Straps | Ergonomic shoulder straps | Air mesh padded shoulder straps |
Sternum / Chest Straps | Sternum strap with whistle | Sternum strap | |
Hip Belt / Waist Strap | Waist belt with split wishbone construction | Removable hip belt | |
Main Compartment Access | Top loading access | Normal zipped access | |
External Pockets | Reverse U pocket, sleeping bag compartment, waist belt pocket, and 4 side pockets | 1 zipped front pockets and 2 side pockets | |
Side Pockets | Side pockets can fit water bottle and other acccessories | Side pockets can fit water bottle and other accessories | |
Water Bottle | Yes | Yes | |
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Exterior and interior gear loops | ||
Travel Features | Compression Straps | External compression straps | |
Rear Loading Straps | Yes | ||
Hiking / Backpacking Features | Back Panel | Padded back panel | Padded back panel |
Load Lifters | Yes | ||
Internal / External Frame | Internal frame | ||
Adjustable Length Torso | Adjustable 15-20" torso length | ||
Hip Belt Pockets | Yes | ||
Top / Floating Lid | Removeable hood | ||
Hydration Features | Bladder Size | Holds 3L hydration bladder | |
Hydration Compatible | Yes | Yes |
TETON Sports 's Mountain Adventurer 4000 Backpack is a Hiking backpack with Backpacking features while Gregory Mountain 's Mountain Nano 18 Backpack is a Backpacking backpack with Hiking features.
The TETON Sports Mountain Adventurer 4000 Backpack has a capacity of 66L (liters), weighs 5.3 pounds and it's dimensions in inches are 27 x 12 x 10. It's made of 420D Black Oxford 1000mm WR and is available in Black 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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