"One of the most versatile packs ever created, the Osprey Talon 22 Adventure Backpack Offers a great panel-loading gear hauling solution for same-day adventures. Great for day hikes and 1-day bike rides, this lightweight backpack is great for outdoorsmen who love going light and moving fast through the woods, mountains or around town. 22L pack offers 1,342 cu. in. of space for gear. Ventilated and comfortable, the continuous-wrap BioStretch harness and hip belt work with the pack's side compression straps create an incredibly stable carry system that hugs your body so you can stay balanced on the trail, ridge, or peak. Delivering a comfortable fit close to your body, the AirScape backpanel combines a stable, injection-molded framesheet with die-cut foam and Spacermesh cover for comfort and airflow. A true multi-sport design, the Talon 22 also offers attachment for trekking poles, ice axe, and bike helmet with an external hydration reservoir sleeve (reservoir not included) for convenience. A top panel zippered slash pocket, internal zippered mesh pocket with key clip, side stretch mesh pockets, and easy-access, expandable stretch mesh harness pocket provide all the organization you need. Blinker light attachment. Adjustable sternum strap with safety whistle buckle. Certified bluesign pack is made of 3 bluesign-approved recycled nylon fabrics with durable water-resistant (DWR) treatments. Versatile backpack for demanding same-day adventures Great for everything from day hikes to market runs 1,342 cu. in. Lightweight and ventilated design BioStretch harness and hip belt Updated AirScape backpanel - molded framesheet with die-cut foam and Spacermesh cover Attachment for trekking poles, ice axe, and bike helmet External hydration reservoir sleeve (reservoir not included) Multiple pockets for organization Blinker light attachment Certified bluesign pack - made of 3 recycled nylon fabrics with DWR treatmentsSpecs:S/M: 10.63""H x 9.06""W x 17""D Weight: .86 lbs. Capacity: 22LL/XL: 11""H x 9.06""W x 19""D Weight: .923 lbs. Capacity: 22L"