- Make sure this fits by entering your model number.
- Incredibly comfortable and ventilated tensioned mesh backpanel with added adjustability for variations in torso length
- Stow-on-the-Go trekking pole attachment
- Integrated raincover
- Internal hydration reservoir sleeve
- Removable top-lid with zippered slash pocket
The supremely ventilated, featured and durable Sirrus Series receives a makeover that is more than skin deep for Spring 2017. Now featuring adjustable torso lengths, improved women’s specific fit and comfort with updated aesthetics, the Sirrus 50 is the go-to choice for everything from big day hikes to overnight jaunts in the backcountry. When the weather turns, fear not – Sirrus keeps your gear and pack protected with an integrated raincover. Smartly organized pocketing keeps all your equipment where you need it, when you need.