Waterproof with back protector for MTB.This is our Design & Innovation Award-winning, fully-welded and waterproof backpack!.Our MTB Hydradri WP 2.0 pack is equipped with a 2.0L bladder, 5L cargo, and a Level 1 back protector.Our signature chest harness and shoulder adjuster system provide a solid non-bump fit without a waist belt!.AirLine back ventilation will keep you cool, and a reflective back panel will keep your liquid both hot or cold.It has several storage pockets, including a mobile phone pouch with a touchscreen function.It is designed with a full-face and MTB helmet and neck brace carrier system for your convenience, as well as reflective safety piping and a safety whistle for a safe ride.Features:.- 2.0L Hydration and 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.- CE tested and 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 AirLine back ventilation.- Cargo straps for jacket or/and protectors.- Optimized fit with or without a Leatt® neck brace.- Sizing:One Size - XS-XXL.- Plastic Free Recyclable Packaging.