Aluminum Outback Evo side case. Cam-side Monokey fastening mechanism with EVO anti-vibration points in cast aluminium. Bottom hooks ensure a secure hold even on dirt roads and can be repaired in the event of strong impacts. Stainless steel rotating Detachable Lid System allows rotation to be paused or a full removal of the lid. Hold It Active System uses hooks to increases ease of use, allowing the case to be tilted without the need to release it fully from the side frame, thus making it easier to open the lid in situations where a top case has been mounted. System can be activated or deactivated as needed, even when the case is mounted. Standard security lock. Degree of water resistance equivalent to a heavy rain; cases are tested with a special machine that simulates rain with a flow rate of 20 ltr/mi.