Hopefully we can get our hands on the Metzeler Karoo 4 soon. 
Begin Press Release: 

METZELER PRESENTS THE NEW KAROO 4, THE KNOBBLY TYRE FOR ADVENTURE AND MAXI ENDURO MOTORCYCLES
The new KAROO 4 enhances the know-how of the two-wheel focused brand to reach a new level of performance in the maxi enduro segment. Available from March 2022, it will replace the current KAROO 3.

Milan (Italy), 23rd March 2022 ? Successor of the award-winning KAROO 3, KAROO 4 represents the latest generation of the METZELER product family: a knobbly tyre intended for the equipment of adventure and maxi enduro motorcycles, designed for on/off use.

The new KAROO 4 enhances even the most cutting edge, latest medium and large displacement enduro motorcycles that travel both on asphalt and off-road, working in tune with the most advanced rider aid systems. KAROO 4 is a highly versatile product that gives, compared to its predecessor KAROO 3, a significant improvement in off-road and on-road wet performance, even when fully loaded. METZELER KAROO 4 is the ideal choice for:

Owners of adventure motorcycles, riders who use their motorcycles for journeys 50% on-road 50% off-road, looking for experiences without limits. They seek reliability and performance in different weather conditions, stability even at full load and mileage.
Motorcyclists who want to test their skills and their bike?s capabilities, they value off-road performance in a tyre.
Owners of ?scrambler? style machines, who require an agg...