Water resistant fabric combination of 840D ballistic nylon twill and 420D honeycomb nylon with abrasion resistant qualities for durability Reflective piping and logo screen prints for visibility Dedicated hydration compartment with premium 2 liter anti-bacterial bladder included Easy access to bladder for quick installation and removal Small external side pockets to carry extras Padded air mesh back and straps for comfort Sternum strap for securityDimensions:18.75 inch high x 3.75 inch wide x 16 inch long 48cm high x 9.5cm wide x 40.5cm long -- 2 Lt reservoir total 6
