UltrAspire Alpha 4.0 Vest vs CamelBak Circuit Vest 50oz

The main difference between the UltrAspire Alpha 4.0 Vest and the CamelBak Circuit Vest 50oz is that the Alpha 4.0 Vest has Zippers (Large zipper pulls) while the Circuit Vest 50oz does not.

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

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


UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features while CamelBak 's Circuit Vest 50oz 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 CamelBak Circuit Vest 50oz's capacity is 3.5L with a size of 13.8 x 7.5 x 3.7 inches. Constructed from Ultra Light Materials it weighs 0.4 pounds and is available in 2 colors and patterns.