The main difference between the Osprey Dyna 1.5 Womens Running Vest Pack and the UltrAspire Alpha 4.0 Vest is that the Dyna 1.5 Womens Running Vest Pack has Sternum / Chest Straps (Removable dual chest straps) while the Alpha 4.0 Vest does not.
Specs | Brand | Osprey | UltrAspire |
Name | Dyna 1.5 Womens Running Vest Pack | Alpha 4.0 Vest | |
Category | Sports | Sports | |
Sub Category | Running | Running | |
Capacity (L) | 1.5L | 6L | |
Dimensions (in) | 15 x 8.7 x 2.4 | 31-36 | |
Weight (lb) | 0.6 | 0.6 | |
Fabric | 70D x 140D Nylon Triangle Ripstop | Double layered 30D Fabric | |
Color | 2 colors and patterns | Emerald Blue Lime | |
Warranty | Osprey Lifetime Warranty | UltrAspire Warranty/Return Policy | |
Release Date | November 16, 2018 | July 5, 2019 | |
Rating | 4.7 | 4.5 | |
Price | Under $100 | Under $125 | |
General Features | Shoulder Straps | Women specific body fit mesh shoulder straps | Angled and curved shoulder straps |
Sternum / Chest Straps | Removable dual chest straps | ||
Zippers | Large zipper pulls | ||
Main Compartment Access | Top zipped access | Normal zipped access | |
External Pockets | 1 zipped front pocket, 2 vertical zipped pocket, and 4 stretch mesh pockets | Rapid access pockets, passage pocket and drawstring pocket | |
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 attachment | Trekking pole attachments | |
Hydration Features | Bladder Size | Includes Osprey Hydraulics® 1.5 LT reservoir with QuickConnect and sternum strap magnet for bite valve | Holds 2L reservoir |
Hydration Compatible | Yes | Yes |
Osprey 's Dyna 1.5 Womens Running Vest Pack is a Sports backpack with Running features while UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features.
The Osprey Dyna 1.5 Womens Running Vest Pack has a capacity of 1.5L (liters), weighs 0.6 pounds and it's dimensions in inches are 15 x 8.7 x 2.4. It's made of 70D x 140D Nylon Triangle Ripstop 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.
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