UltrAspire Alpha 4.0 Vest vs Nathan VaporAir Hydration Pack

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.

Ultraspire Alpha 4.0 Vest FRont View
Nathan VaporAir Hydration Pack Back View
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

You're currently comparing the Alpha 4.0 Vest by UltrAspire against the VaporAir Hydration Pack by Nathan .


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.