FITLY Sub45 Running Pack vs UltrAspire Alpha 4.0 Vest

The main difference between the FITLY Sub45 Running Pack and the UltrAspire Alpha 4.0 Vest is that the Sub45 Running Pack has Sternum / Chest Straps (Thoracic belt) while the Alpha 4.0 Vest does not.

FITLY Sub45 Running Pack
Ultraspire Alpha 4.0 Vest FRont View
Specs Brand FITLY UltrAspire
Name Sub45 Running Pack Alpha 4.0 Vest
Category Sports Sports
Sub Category Running Running
Capacity (L) 6L
Dimensions (in) 10 x 7 x 0.8 31-36
Weight (lb) 0.5 0.6
Fabric S.Café Eco-friendly Odor-resistant Fabric Double layered 30D Fabric
Color 4 colors and patterns Emerald Blue Lime
Warranty FITLY 1 Year Warranty UltrAspire Warranty/Return Policy
Release Date July 5, 2019
Rating 4.6 4.5
Price Under $75 Under $125
General Features Shoulder Straps Body fit shoulder straps Angled and curved shoulder straps
Sternum / Chest Straps Thoracic belt
Water Proof / Water Resistant Water resistant material
Zippers YKK zippers Large zipper pulls
Main Compartment Access Inverted-L zipped access Normal zipped access
External Pockets 2 front stretch pockets, secret side pocket and 2 back pockets Rapid access pockets, passage pocket and drawstring pocket
Water Bottle Yes
Handles Top grab handle
Loops and Attachments Safety micro-whistle
Lightweight Yes
Hiking / Backpacking Features Ergonomic ErgoFit
Ventilated Back Ultracool system
Trekking Pole Holders Trekking pole attachments
Reflective Safety Strips Reflective stripes
Anti Theft Features Cut / Slash Proof Material Tear and abrasion resistant material
Hidden Pocket Secret side pocket
Hydration Features Bladder Size Holds 2L reservoir
Hydration Compatible Yes

You're currently comparing the Sub45 Running Pack by FITLY against the Alpha 4.0 Vest by UltrAspire .


FITLY 's Sub45 Running Pack is a Sports backpack with Running features while UltrAspire 's Alpha 4.0 Vest is a Sports backpack with Running features.

The FITLY Sub45 Running Pack has a capacity of (liters), weighs 0.5 pounds and it's dimensions in inches are 10 x 7 x 0.8. It's made of S.Café Eco-friendly Odor-resistant Fabric and is available in 4 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.