The Hydra Dri WP 2.0, a fully taped, waterproof, lightweight outer shell that will ensure the contents of your bag stays dry! Leatt uses a 2.0L Cleantech vertical hydration bladder with an auto shut-off bite valve, feed tube routing can be either over the shoulder or under the arm & cargo storage is 5.0L. The lightweight unique chest harness system is fully adjustable across the chest & around the waist that ensures a rock-solid fit, with Airline back ventilation that helps keep airflow between the bag & your back, sweat is kept to a minimum. There is a removable tool roll included to store the essentials for getting you out of trouble, various storage pockets including one for a mobile phone that has a touch screen function & even a safety whistle! Features 2.0L Hydration & 5.0L Cargo Fully-welded, waterproof Lite outer shell Unique chest harness for a solid riding fit Chest storage pockets, including a mobile phone pouch with touch screen function Certified as impact protection: Back EN1621-2 Level 1 Lightweight helmet carrier system for full-face or/and MTB helmet Dual hydration tube exit for two-way routing – over the shoulder or under the arm Removable tool card Safety whistle included Heat reflective inner back panel to keep liquid cool or hot Stretch mesh bladder pocket Optimal Air Line back ventilation Cargo straps for jacket or/and protectors Optimized fit with or without a Leatt neck brace