The main difference between the UltrAspire Alpha 4.0 Vest and the Osprey Duro 1.5 Mens Running Vest Pack is that the Alpha 4.0 Vest has Zippers (Large zipper pulls) while the Duro 1.5 Mens Running Vest Pack does not.
Specs | Brand | UltrAspire | Osprey |
Name | Alpha 4.0 Vest | Duro 1.5 Mens Running Vest Pack | |
Category | Sports | Sports | |
Sub Category | Running | Running | |
Capacity (L) | 6L | 1.5L | |
Dimensions (in) | 31-36 | 16.5 x 9.8 x 2.8 | |
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 | 4.8 | |
Price | Under $125 | Under $100 | |
General Features | Shoulder Straps | Angled and curved shoulder straps | 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 |
UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features while Osprey 's Duro 1.5 Mens 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 Duro 1.5 Mens Running Vest Pack's capacity is 1.5L with a size of 16.5 x 9.8 x 2.8 inches. Constructed from 70D x 140D Nylon Triangle Ripstop it weighs 0.6 pounds and is available in 2 colors and patterns.
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