CamelBak Circuit Vest 50oz vs UltrAspire Alpha 4.0 Vest

The main difference between the CamelBak Circuit Vest 50oz and the UltrAspire Alpha 4.0 Vest is that the Circuit Vest 50oz has Sternum / Chest Straps (Dual adjustable sternum straps) while the Alpha 4.0 Vest does not.

CamelBak Circuit Vest 50oz Front View
Ultraspire Alpha 4.0 Vest FRont View
Specs Brand CamelBak UltrAspire
Name Circuit Vest 50oz Alpha 4.0 Vest
Category Sports Sports
Sub Category Running Running
Capacity (L) 3.5L 6L
Dimensions (in) 13.8 x 7.5 x 3.7 31-36
Weight (lb) 0.4 0.6
Fabric Ultra Light Materials Double layered 30D Fabric
Color 2 colors and patterns Emerald Blue Lime
Warranty CamelBak Lifetime Guarantee UltrAspire Warranty/Return Policy
Release Date March 31, 2020 July 5, 2019
Rating 4.6 4.5
Price Under $75 Under $125
General Features Shoulder Straps Multi-directional air flow and cushioning Angled and curved shoulder straps
Sternum / Chest Straps Dual adjustable sternum straps
Zippers Large zipper pulls
Main Compartment Access Front zipped access Normal zipped access
External Pockets Secure phone pocket, 2 bottle pockets, and stash pocket Rapid access pockets, passage pocket and drawstring pocket
Water Bottle Yes
Handles Top grab handle
Loops and Attachments Tube trap
Hiking / Backpacking Features Ergonomic ErgoFit
Ventilated Back Ultracool system
Trekking Pole Holders Trekking pole attachments
Reflective Safety Strips Reflective accents
Hydration Features Bladder Size Holds 50z or 3L hydration bladder Holds 2L reservoir
Hydration Compatible Yes Yes

You're currently comparing the Circuit Vest 50oz by CamelBak against the Alpha 4.0 Vest by UltrAspire .


CamelBak 's Circuit Vest 50oz is a Sports backpack with Running features while UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features.

The CamelBak Circuit Vest 50oz has a capacity of 3.5L (liters), weighs 0.4 pounds and it's dimensions in inches are 13.8 x 7.5 x 3.7 . It's made of Ultra Light Materials 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.