Jack Wolfskin Highland Trail XT 50 Technical Pack Dual-chamber hiking pack / comfortable suspension system for heavy loads / main and base compartments, 9 pockets / dual access to main compartment Trekking pole attachment / equipped for a hydration system / reflective detailing / rain cover / 50 + 5 liters capacity / Backlength S-L X-TRANSITION: comfortable, lightweight and flexible suspension system with X-shaped aluminum frame for optimized distribution of heavy loads Adjustable chest strap with signal whistle / trekking pole and ice tool attachments / equipped for a helmet attachment (available separately) Compression straps on sides and base / reflective detailing / key clip / equipped for a hydration system (tube duct and fastener)