Nathan QuickStart 4L Race Pack vs UltrAspire Alpha 4.0 Vest

The main difference between the Nathan QuickStart 4L Race Pack and the UltrAspire Alpha 4.0 Vest is that the QuickStart 4L Race Pack has Side Pockets (Yes) while the Alpha 4.0 Vest does not.

Nathan QuickStart 4L Race Pack Front View
Ultraspire Alpha 4.0 Vest FRont View
Specs Brand Nathan UltrAspire
Name QuickStart 4L Race Pack Alpha 4.0 Vest
Category Sports Sports
Sub Category Running Running
Capacity (L) 4L 6L
Dimensions (in) 15.83 x 13.27 x 2.6 31-36
Weight (lb) 0.3 0.6
Fabric 60% Nylon, 40% Polyester Double layered 30D Fabric
Color Black Emerald Blue Lime
Warranty UltrAspire Warranty/Return Policy
Release Date December 8, 2017 July 5, 2019
Rating 4.5 4.5
Price Under $75 Under $125
General Features Shoulder Straps Adjustable front and side straps for a perfect fit Angled and curved shoulder straps
Zippers Large zipper pulls
Main Compartment Access Normal zipped access Normal zipped access
External Pockets Front zipped pocket and bottle pocket Rapid access pockets, passage pocket and drawstring pocket
Side Pockets Yes
Water Bottle Yes
Handles Top grab handle
Hiking / Backpacking Features Ergonomic ErgoFit
Ventilated Back Ultracool system
Trekking Pole Holders Trekking pole attachments
Hydration Features Bladder Size 1.5L Hydration bladder included Holds 2L reservoir
Hydration Compatible Yes Yes
Other Features Other Features Fits both men & women

You're currently comparing the QuickStart 4L Race Pack by Nathan against the Alpha 4.0 Vest by UltrAspire .


Nathan 's QuickStart 4L Race Pack is a Sports backpack with Running features while UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features.

The Nathan QuickStart 4L Race Pack has a capacity of 4L (liters), weighs 0.3 pounds and it's dimensions in inches are 15.83 x 13.27 x 2.6. It's made of 60% Nylon, 40% Polyester and is available in Black 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.