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® 36 is the go-to choice for everything from short day hikes to lightweight overnights in the backcountry no matter how far, or near. 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.

• Dual side compression straps Stow-on-the-Go trekking pole attachment Ice tool loop with bungee tie-off Internal hydration reservoir sleeve Fixed top-lid with zippered slash pocket Front panel vertical center zippered pocket