The main difference between the Thule Stir Alpine 40L Backpack and the Thule RoundTrip Ski Boot backpack is that the Stir Alpine 40L Backpack has Hip Belt / Waist Strap (Hip belt with gear loops) while the RoundTrip Ski Boot backpack does not.
Specs | Brand | Thule | Thule |
Name | Stir Alpine 40L Backpack | RoundTrip Ski Boot backpack | |
Category | Sports | Ski | |
Sub Category | Ski | Sports | |
Capacity (L) | 40L | 55L | |
Dimensions (in) | 11.42 x 10.24 x 22.83 | 20 x 15.5 x 7 | |
Weight (lb) | 2.9 | 1 | |
Fabric | Coated 210D Robic, 70D Nylon | Polyester | |
Color | Obsidian | Black/Wood Thrush | |
Warranty | Thule Guarantee | ||
Release Date | January 6, 2021 | July 1, 2020 | |
Rating | 4.8 | 4.7 | |
Price | Under $200 | Under $150 | |
General Features | Shoulder Straps | Padded shoulder straps with stretch pocket for snack | Padded shoulder straps |
Sternum / Chest Straps | Sternum strap with whistle buckle | Adjustable chest strap | |
Hip Belt / Waist Strap | Hip belt with gear loops | ||
Water Proof / Water Resistant | Ultra durable material withstands weather and abrasion | ||
Zippers | Lockable zippers deter theft | ||
Main Compartment Access | Top loading and side zipped access | Rear-loading main access | |
External Pockets | Top floating pocket | Two spacious side pockets store outwear, gloves and accessories, 1 front zip access, 1 top zip pocket | |
Internal Compartments | Internal zippered mesh pockets | ||
Side Pockets | 2 side pockets | ||
Handles | Top grab handle | Multiple grab handles allow for easy transport | |
Loops and Attachments | External gear attachment system for skis, helmet, ice axe and more | ||
Travel Features | Compression Straps | External compression straps | |
Stowable Straps | Removable lid, frame sheet, hip belt padding and sternum strap | ||
Base / Bottom | Heavy duty tarpaulin bottom provides added protection | ||
Hiking / Backpacking Features | Back Panel | Breathable back panel | |
Load Lifters | Yes | ||
Top / Floating Lid | Yes | ||
Hydration Features | Hydration Compatible | Yes |
Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features while Thule's RoundTrip Ski Boot backpack is a Ski backpack with Sports features.
The Thule Stir Alpine 40L Backpack has a capacity of 40L (liters), weighs 2.9 pounds and it's dimensions in inches are 11.42 x 10.24 x 22.83 . It's made of Coated 210D Robic, 70D Nylon and is available in Obsidian in comparison the Thule RoundTrip Ski Boot backpack's capacity is 55L with a size of 20 x 15.5 x 7 inches. Constructed from Polyester it weighs 1 pounds and is available in Black/Wood Thrush.
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