The main difference between the Thule RoundTrip Ski Boot backpack and the Thule Stir Alpine 40L Backpack is that the RoundTrip Ski Boot backpack has Zippers (Lockable zippers deter theft) while the Stir Alpine 40L Backpack does not.
Specs | Brand | Thule | Thule |
Name | RoundTrip Ski Boot backpack | Stir Alpine 40L Backpack | |
Category | Ski | Sports | |
Sub Category | Sports | Ski | |
Capacity (L) | 55L | 40L | |
Dimensions (in) | 20 x 15.5 x 7 | 11.42 x 10.24 x 22.83 | |
Weight (lb) | 1 | 2.9 | |
Fabric | Polyester | Coated 210D Robic, 70D Nylon | |
Color | Black/Wood Thrush | Obsidian | |
Warranty | Thule Guarantee | ||
Release Date | July 1, 2020 | January 6, 2021 | |
Rating | 4.7 | 4.8 | |
Price | Under $150 | Under $200 | |
General Features | Shoulder Straps | Padded shoulder straps | Padded shoulder straps with stretch pocket for snack |
Sternum / Chest Straps | Adjustable chest 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 | ||
Zippers | Lockable zippers deter theft | ||
Main Compartment Access | Rear-loading main access | Top loading and side zipped access | |
External Pockets | Two spacious side pockets store outwear, gloves and accessories, 1 front zip access, 1 top zip pocket | Top floating pocket | |
Internal Compartments | Internal zippered mesh pockets | ||
Side Pockets | 2 side pockets | ||
Handles | Multiple grab handles allow for easy transport | Top grab handle | |
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 RoundTrip Ski Boot backpack is a Ski backpack with Sports features while Thule 's Stir Alpine 40L Backpack is a Sports backpack with Ski features.
The Thule RoundTrip Ski Boot backpack has a capacity of 55L (liters), weighs 1 pounds and it's dimensions in inches are 20 x 15.5 x 7. It's made of Polyester and is available in Black/Wood Thrush 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.
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