Good Day, I currently have up for sale a practically new High Sierra Marlin 18L Hydration Backpack. It was only used once on a day long bicycle trip, looks perfect and new. MSRP was $79.00 before tax and shipping. Selling here for $20.00! ******************************************************** High Sierra Marlin 18L Hydration Pack High Sierra's Marlin hydration pack keeps you prepared for short jaunts and trail rides. The 2-liter reservoir has a wide mouth for easy filling and an organizer pocket holds tools and supplies. Features: • AIRFLOW™ 2 suspended back panel system helps keep your back cool and dry. • 2-liter/67.6 ounce hydration system has a wide opening reservoir for easy filling and cleaning. • System in BPA free and antimicrobial. • Insulated hose cover prevents water from freezing in the tube. • Elastic loops for convenient hydration hose positioning. • Large, front-load main compartment holds gear. • Front pocket organizer with key fob holds bicycle tools, accessories. • 1 Zippered accessory pocket on the front for quick access items. • Yuck-away mesh sport flap holds a helmet. •Lightweight shoulder straps with adjustable sternum strap. • Side compression straps with webbing keepers stabilize loads. • Removable waist belt allows the bag to customized for each activity. • Webbing loop holds bike LED blinker. Weight: 1.984 lbs. Body Dimensions: 17.0" x 12.5" x 7.5"