Very sturdyHigh quality Cordura20 mm high-density foam paddingAll load-bearing parts extra padded and reinforcedTear-resistant and waterproofWaterproof zipsNPS (Neck Protection System) neck restLint-free honeycomb liningSewn-in protection for machine head, bridge and back areaComfortable soft handle, padded Fully lined, adjustable, firmly sewn-on luxury backpack strapsLarge music pocket + smaller accessory pocketHanging ring on backShock absorber