http://tinyurl.com/kvkdyrxHigh Sierra Tech Series 59404 Titan 55 Internal Frame PackProduct Review Click on the link for more reviewsNylon55 liter top load main compartment with gusseted drawstring closure and adjustable top lidInternal hydration reservoir sleeve and dual exit ports for tube (reservoir not included)Front load sleeping bag compartment with dividerS-Shaped ERGO-FIT shoulder strap harness with load lifters to fit trimmer torso29.5x14x8.25inches (74.9x35.6x21cm) 55 liters 3356 cubic inches