For day hikes where you need to prepare for anything and pack accordingly, the higher-volume Sirrus 34 makes for a rugged choice. Its sustainably produced panel-loading design makes organizing and packing your hiking gear convenient, while its AirSpeed(TM) suspension system, tailored for women&';s-specific fit, keeps everything feeling light and breezy, no matter where the trail takes you. Plus, should the forecast call for rain, carry on with confidence using the included raincover. Features Included raincover made with PFC/PFAS-free DWR and bluesignA(R) approved materials Zippered front stash pocket Dual zippered hipbelt pockets Side stretch mesh bottle pockets Internal hydration sleeve with hose port in backpanel Stow-on-the-Go trekking pole attachment with new soft-touch tubes Dual side compression straps Single ice axe loop with bungee tie-offs Front panel lash loops for attaching extra gear Panel loading design with a burly #10 zipper delivering wide access to main compartment Zippered access lower compartment with a floating liner keeps contents more organized and accessible Zippered mesh pocket with key clip at the top of the pack provides easy access to important items Zippered pocket on top of the front panel offers a spot for sunglasses or other delicates Accessory straps on lower front panel are perfect for pads or blankets Key Attributes AIRSPEED(TM) VENTILATION Injection-molded suspension system w/ 3D-tensioned mesh provides breathable support. COMPREHENSIVE FIT Taller, wider frame geometry combines with tailored adjustment system to extend fit range. INCLUDED RAINCOVER Made with sustainable bluesignA(R) APPROVED materials. Carry Information AirSpeedA(R) SUSPENSION Injection-molded ladder adjustment system provides 4" of torso adjustability O/S per gender design delivers great fit and allows for quick, easy adjustment Taller, wider 4 mm powder coated LightWire frame enhances fit range AirSpeedA(R) BACKPANEL 3D-tensioned breathable mesh backpanel ensures supportive fit New design increases ventilated area up to 40% over our previous design New yoke design ensures consistent fit at any setting HARNESS Highly ventilated die-cut EVA foam is wrapped in wide spacer mesh for outstanding comfort in all weather conditions Adjustable sternum strap with rescue whistle HIPBELT Ventilated die-cut EVA foam is covered in wide spacer mesh for outstanding comfort in all weather conditions Large zippered pockets provide secure access to small essentials on the trail ErgoPull closure provides leverage to ensure snug fit and optimal load transfer Specifications LOAD RANGE 15 - 30 lbs. O/S VOLUME 2075 IN 3 / 34 L DIMENSIONS 10.63H X 14.17W X 22.44D IN. WEIGHT 3.038 LBS. FABRIC MAIN bluesignA(R) APPROVED 210D recycled honey comb nylon, PFC/PFAS-free DWR LINING bluesignA(R) APPROVED 420D recycled nylon, PFC/PFAS-free DWR BOTTOM bluesignA(R) APPROVED 420D recycled nylon, PFC/PFAS-free DWR WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to oehha.ca.gov/proposition-65/about-proposition-65