The main difference between the Thule Vital Hydration Pack and the Thule Stir Alpine 40L Backpack is that the Vital Hydration Pack has Side Pockets (Side pockets can fit nutrition snacks ) while the Stir Alpine 40L Backpack does not.
Specs | Brand | Thule | Thule |
Name | Vital Hydration Pack | Stir Alpine 40L Backpack | |
Category | Hydration | Sports | |
Sub Category | Outdoor | Ski | |
Capacity (L) | 6L | 40L | |
Dimensions (in) | 8.7 x 3.5 x 17.5 | 11.42 x 10.24 x 22.83 | |
Weight (lb) | 1.2 | 2.9 | |
Fabric | Nylon | Coated 210D Robic, 70D Nylon | |
Color | 2 colors and patterns | Obsidian | |
Warranty | Thule Guarantee | Thule Guarantee | |
Release Date | January 16, 2018 | January 6, 2021 | |
Rating | 4.6 | 4.8 | |
Price | Under $150 | Under $200 | |
General Features | Shoulder Straps | Adjustable shoulder straps | Padded shoulder straps with stretch pocket for snack |
Sternum / Chest Straps | Sternum strap | Sternum strap with whistle buckle | |
Hip Belt / Waist Strap | Hip belt with gear loops | ||
Water Proof / Water Resistant | Ultra durable material withstands weather and abrasion | ||
Main Compartment Access | Normal zipped access | Top loading and side zipped access | |
External Pockets | Zipped top pocket and 2 quick access side pockets | Top floating pocket | |
Internal Compartments | Internal hydration sleeve, pump sleeves, and and zipped pocket for keys or small essentials | Internal zippered mesh pockets | |
Side Pockets | Side pockets can fit nutrition snacks | ||
Water Bottle | No | ||
Handles | Top grab handle | ||
Loops and Attachments | Light loop attachment | External gear attachment system for skis, helmet, ice axe and more | |
Lightweight | Yes | ||
Travel Features | Compression Straps | External compression straps | |
Stowable Straps | Removable lid, frame sheet, hip belt padding and sternum strap | ||
Hiking / Backpacking Features | Back Panel | Breathable back panel | |
Load Lifters | Yes | ||
Ventilated Back | Ventilated back panel | ||
Top / Floating Lid | Yes | ||
Hydration Features | Bladder Size | Includes 2.5L Hydrapak reservoir | |
Hydration Compatible | YEs | Yes | |
Other Features | Other Features | Retrakt magnetic hose return system |
Thule 's Vital Hydration Pack is a Hydration backpack with Outdoor features while Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features.
The Thule Vital Hydration Pack has a capacity of 6L (liters), weighs 1.2 pounds and it's dimensions in inches are 8.7 x 3.5 x 17.5 . It's made of Nylon and is available in 2 colors and patterns in comparison the Thule Stir Alpine 40L Backpack's capacity is 40L with a size of 11.42 x 10.24 x 22.83 inches. Constructed from Coated 210D Robic, 70D Nylon it weighs 2.9 pounds and is available in Obsidian.
Click image to compare, or description to view product.
Click image to compare, or description to view product.