Nathan TrailMix 7L Running Pack vs UltrAspire Alpha 4.0 Vest

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.

Nathan TrailMix 7L Running Pack
Ultraspire Alpha 4.0 Vest FRont View
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

You're currently comparing the TrailMix 7L Running Pack by Nathan against the Alpha 4.0 Vest by UltrAspire .


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.