With innovative suspension and lots of volume, the Black Diamond Sonar pack offers all-day comfort and is capable of hauling a full day's worth of gear on quick summit scrambles and long day hikes.

• Airy, breathable back panel, shoulder straps and hipbelt help keep your back cool and ventilated during hot sunny days
• Hydration-compatible design features an externally accessible hydration sleeve (reservoir sold separately)
• A bevy of pockets keeps your gear organized and accessible, including a fleece-lined pocket for your phone or MP3 player
• Zippered panel access makes it easy to load and unload your gear
• Tool loops let you attach trekking poles or an ice axe to the exterior
• The Black Diamond Sonar pack is made of 210-denier ripstop nylon for lightweight durability