Nathan RunLite Backpack vs UltrAspire Alpha 4.0 Vest

The main difference between the Nathan RunLite Backpack and the UltrAspire Alpha 4.0 Vest is that the RunLite Backpack has Sternum / Chest Straps (Sternum and side adjustment systems for a bounce free run ) while the Alpha 4.0 Vest does not.

Nathan RunLite Backpack Front View
Ultraspire Alpha 4.0 Vest FRont View
Specs Brand Nathan UltrAspire
Name RunLite Backpack Alpha 4.0 Vest
Category Sports Sports
Sub Category Running Running
Capacity (L) 10L 6L
Dimensions (in) 18 x 12 x 2 31-36
Weight (lb) 0.3 0.6
Fabric 60% Nylon, 40% Polyester Double layered 30D Fabric
Color 2 colors and patterns Emerald Blue Lime
Warranty UltrAspire Warranty/Return Policy
Release Date July 5, 2019
Rating 5.0 4.5
Price Under $50 Under $125
General Features Shoulder Straps Adjustable shoulder straps Angled and curved shoulder straps
Sternum / Chest Straps Sternum and side adjustment systems for a bounce free run
Zippers Large zipper pulls
Main Compartment Access Normal zipped access Normal zipped access
External Pockets 2 side pockets Rapid access pockets, passage pocket and drawstring pocket
Internal Compartments Internal bladder pocket
Side Pockets Side pockets can fit water bottle and snacks
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Lightweight Yes
Hiking / Backpacking Features Back Panel Moisture-wicking back panel
Ergonomic ErgoFit
Ventilated Back Ultracool system
Trekking Pole Holders Trekking pole attachments
Hydration Features Bladder Size Holds 2L hydration bladder Holds 2L reservoir
Hydration Compatible Yes Yes
Other Features Other Features Side adjustment systems designed for a bounce free run

You're currently comparing the RunLite Backpack by Nathan against the Alpha 4.0 Vest by UltrAspire .


Nathan 's RunLite Backpack is a Sports backpack with Running features while UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features.

The Nathan RunLite Backpack has a capacity of 10L (liters), weighs 0.3 pounds and it's dimensions in inches are 18 x 12 x 2. It's made of 60% Nylon, 40% Polyester and is available in 2 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.