Osprey - Sirrus 50 - Women's (Fall 2016)
Technical specifications & features
|Weight||SML/MED: 3 lbs 1 oz. (1.39 kg)
MED/LRG: 3 lbs 3 oz. (1.44 kg)
|Mfg Sku/Part Number||023650|
|Cubic Inches||SML/MED: 47
|Frame Description||AirSpeed™ Suspension
• LightWire™ alloy frame creates low-profile air space optimizing pack balance and ventilation
• 3D tensioned breathing mesh backpanel ensures supportive fit
|Sleeping Bag Compartment||Yes|
|Material||MAIN: 210D Nylon Dobby
ACCENT: 420D Nylon Shadowbox
BOTTOM: 210D Nylon Dobby
Inches: 24 H x 13 W x 14 D
Centimeters: 60 H x 33 W x 35 D
• Upper side compression straps
• Stow-on-the-Go™ trekking pole attachment
• Side mesh woven pockets with InsideOut™ compression
• Zippered hipbelt pockets
• Integrated raincover
• Single ice tool attachment with stowable bungee tie-off
• Removable sleeping pad straps
SPACER MESH HARNESS
• Sewn-in spacer mesh
• Webbing adjustable sternum strap with whistle buckle
• Mesh covered ventilated die-cut foam
SPACER MESH SEWN-IN HIPBELT
• Zippered stretch mesh hipbelt pockets
• ErgoPull™ hipbelt closure
• Removable top pocket with twin zippered pockets
• Top loader with large front panel access
• Zippered lower sleeping bag compartment with divider
Questions & Answers
Thank you for your inquiry.
Regarding sizing, at your torso length the Small/Medium size would work best for either pack.
While both models you mentioned are very similar in regards to size, weight, design and intended purposes, there are a few small differences that should help you choose the right model for you.
The primary difference is the style of back panel featured on both packs. If you plan on doing that walk in the summer, during high heat and humidity, you would do best with Sirrus 50, as it offers the most ventilation possible in the back area, and eliminates the uncomfortable back sweat commonly experienced on hot and humid hikes. If you plan on doing the walk in cooler temps, The Kyte 46 would offer a little more insulation in the back area.
Another difference will be the access points to the pack. Both are primarily top loading, however the Sirrus 50 features a large front-panel opening, allowing you to access items in the middle or bottom of the pack without having to take everything out from the top to get to them. The Kyte 46, as well as the Sirrus 50, feature a sleeping bag compartment, which is a dividable area at the bottom of the pack to store items that won't need to be accessed until the end of the day. This area, which can also be left open to the main compartment rather than divided, is accessed via its own zipper at the bottom of the pack.
Lastly, the Kyte 46 contains a large stretchy front pocket, which is great for wet items or items that need to be accessed easily. The Sirrus 50 lacks this pocket.
I hope this helps! Please let me know if you have any further questions or concerns.
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