The main difference between the Nathan TrailMix 7L Running Pack and the UltrAspire Alpha 4.0 Vest is that the TrailMix 7L Running Pack has Sternum / Chest Straps (Adjustable chest straps) while the Alpha 4.0 Vest does not.
Specs | Brand | Nathan | UltrAspire |
Name | TrailMix 7L Running Pack | Alpha 4.0 Vest | |
Category | Sports | Sports | |
Sub Category | Running | Running | |
Capacity (L) | 7L | 6L | |
Dimensions (in) | 16 x 15 x 2 | 31-36 | |
Weight (lb) | 0.9 | 0.6 | |
Fabric | Synthetic Material | Double layered 30D Fabric | |
Color | 5 colors and patterns | Emerald Blue Lime | |
Warranty | UltrAspire Warranty/Return Policy | ||
Release Date | May 9, 2019 | July 5, 2019 | |
Rating | 4.6 | 4.5 | |
Price | Under $100 | Under $125 | |
General Features | Shoulder Straps | Body hugging mesh shoulder straps | Angled and curved shoulder straps |
Sternum / Chest Straps | Adjustable chest straps | ||
Zippers | Large zipper pulls | ||
Main Compartment Access | Top zipped access | Normal zipped access | |
External Pockets | 1 zipped pocket, stash pocket, and 2 bottle pockets | Rapid access pockets, passage pocket and drawstring pocket | |
Water Bottle | Yes | Yes | |
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Daisy chains, trekking pole attachment points | ||
Lightweight | Yes | ||
Travel Features | Compression Straps | External compression straps | |
Hiking / Backpacking Features | Ergonomic | ErgoFit | |
Ventilated Back | Ultracool system | ||
Trekking Pole Holders | Yes | Trekking pole attachments | |
Hydration Features | Bladder Size | Includes 2L hydration bladder | Holds 2L reservoir |
Hydration Compatible | Yes | Yes |
Nathan 's TrailMix 7L Running Pack is a Sports backpack with Running features while UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features.
The Nathan TrailMix 7L Running Pack has a capacity of 7L (liters), weighs 0.9 pounds and it's dimensions in inches are 16 x 15 x 2. It's made of Synthetic Material and is available in 5 colors and patterns in comparison the UltrAspire Alpha 4.0 Vest's capacity is 6L with a size of 31-36 inches. Constructed from Double layered 30D Fabric it weighs 0.6 pounds and is available in Emerald Blue Lime.
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