The Red Rock Outdoor GearA(R) Cactus Pack provides dedicated hydration plus 2 EDC compartments for daily essentials. 2.5L hydration bladder system is modeled after the proven system used by U.S. military forces, complete with flexible shoulder strap-mounted drinking tube and hands-free bite valve. MOLLE webbing lets you stack on your own mag pouch, IFAK, or similar for even more organization and customization. Red Rock Outdoor Gear isn't just military style, it's military spec. Clothing, tools and carry options intended for tactical professionals, dedicated campers and preppers, or well-equipped office-bound irregulars. For comfort, durability, and performance on your next patrol, Red Rock is ready to get you there. Hydration Pack with 2 compartment EDC carry 600-denier polyester shell Mesh padded back panel Mesh padded shoulder straps with quick-release sternum strap Dedicated 2.5L hydration compartment, with included 2.5L bladder, drinking tube, and bite valve Upper utility pouch with MOLLE webbing Lower utility pouch with MOLLE webbing