The main difference between the UltrAspire Alpha 4.0 Vest and the Nathan VaporAir Hydration Pack is that the Alpha 4.0 Vest has Zippers (Large zipper pulls) while the VaporAir Hydration Pack does not.
Specs | Brand | UltrAspire | Nathan |
Name | Alpha 4.0 Vest | VaporAir Hydration Pack | |
Category | Sports | Sports | |
Sub Category | Running | Running | |
Capacity (L) | 6L | 5L | |
Dimensions (in) | 31-36 | ||
Weight (lb) | 0.6 | 0.9 | |
Fabric | Double layered 30D Fabric | Nylon/Polyester | |
Color | Emerald Blue Lime | Black/Yellow | |
Warranty | UltrAspire Warranty/Return Policy | ||
Release Date | July 5, 2019 | November 17, 2009 | |
Rating | 4.5 | 4.7 | |
Price | Under $125 | Under $125 | |
General Features | Shoulder Straps | Angled and curved shoulder straps | Over-the-shoulder load lifters |
Sternum / Chest Straps | Adjustable chest straps | ||
Zippers | Large zipper pulls | ||
Main Compartment Access | Normal zipped access | Side zipped access | |
External Pockets | Rapid access pockets, passage pocket and drawstring pocket | 9 exterior pockets | |
Water Bottle | Yes | Yes | |
Handles | Top grab handle | ||
Loops and Attachments | Elastic perimeter banding, rear external shockcord | ||
Hiking / Backpacking Features | Ergonomic | ErgoFit | |
Ventilated Back | Ultracool system | ||
Trekking Pole Holders | Trekking pole attachments | ||
Reflective Safety Strips | Reflective details | ||
Hydration Features | Bladder Size | Holds 2L reservoir | Includes 2L bladder with quick-release valve |
Hydration Compatible | Yes | Yes |
UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features while Nathan 's VaporAir Hydration Pack is a Sports backpack with Running features.
The UltrAspire Alpha 4.0 Vest has a capacity of 6L (liters), weighs 0.6 pounds and it's dimensions in inches are 31-36. It's made of Double layered 30D Fabric and is available in Emerald Blue Lime in comparison the Nathan VaporAir Hydration Pack's capacity is 5L with a size of inches. Constructed from Nylon/Polyester it weighs 0.9 pounds and is available in Black/Yellow.
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