UltrAspire Alpha 4.0 Vest vs Osprey Dyna 1.5 Womens Running Vest Pack

The main difference between the UltrAspire Alpha 4.0 Vest and the Osprey Dyna 1.5 Womens Running Vest Pack is that the Alpha 4.0 Vest has Zippers (Large zipper pulls) while the Dyna 1.5 Womens Running Vest Pack does not.

Ultraspire Alpha 4.0 Vest FRont View
Osprey Dyna 1.5 Womens Running Vest Pack
Specs Brand UltrAspire Osprey
Name Alpha 4.0 Vest Dyna 1.5 Womens Running Vest Pack
Category Sports Sports
Sub Category Running Running
Capacity (L) 6L 1.5L
Dimensions (in) 31-36 15 x 8.7 x 2.4
Weight (lb) 0.6 0.6
Fabric Double layered 30D Fabric 70D x 140D Nylon Triangle Ripstop
Color Emerald Blue Lime 2 colors and patterns
Warranty UltrAspire Warranty/Return Policy Osprey Lifetime Warranty
Release Date July 5, 2019 November 16, 2018
Rating 4.5 4.7
Price Under $125 Under $100
General Features Shoulder Straps Angled and curved shoulder straps Women specific body fit mesh shoulder straps
Sternum / Chest Straps Removable dual chest straps
Zippers Large zipper pulls
Main Compartment Access Normal zipped access Top zipped access
External Pockets Rapid access pockets, passage pocket and drawstring pocket 1 zipped front pocket, 2 vertical zipped pocket, and 4 stretch mesh pockets
Internal Compartments Internal reservoir sleeve
Water Bottle Yes
Handles Top grab handle
Loops and Attachments Tuckaway safety whistle
Travel Features Compression Straps External compression straps
Hiking / Backpacking Features Ergonomic ErgoFit
Ventilated Back Ultracool system
Trekking Pole Holders Trekking pole attachments Trekking pole attachment
Hydration Features Bladder Size Holds 2L reservoir Includes Osprey Hydraulics® 1.5 LT reservoir with QuickConnect and sternum strap magnet for bite valve
Hydration Compatible Yes Yes

You're currently comparing the Alpha 4.0 Vest by UltrAspire against the Dyna 1.5 Womens Running Vest Pack by Osprey .


UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features while Osprey 's Dyna 1.5 Womens Running Vest Pack 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 Osprey Dyna 1.5 Womens Running Vest Pack's capacity is 1.5L with a size of 15 x 8.7 x 2.4 inches. Constructed from 70D x 140D Nylon Triangle Ripstop it weighs 0.6 pounds and is available in 2 colors and patterns.