For adventure backpacking and mountain treks, the Sirac 50 is a sturdy, organised pack with a stable carry, perfect for travelling with heavy loads in varied terrain. Constructed with the Air Contour X system, it's well ventilated and hard-working.FeaturesAdjustable Air Contour™ X carry systemIntegrated and detachable raincover for complete weather protectionSleeping bag compartment with divider for extra organised packingDual access side stretch mesh pocketsElastic front stash great for stowing wet gearHydration compatible with internal hydration sleeve -fits 3L bladderLash points for additional carrying optionsBase and side compression to cinch for secure carryFloating hipbelt pockets for enhanced storageWalking pole attachment pointsGrab handleSternum strap with whistle to attract attentionKey clipSOS panel Lowe Alpine Sirac 50 Rucksack - Deep Ink