Weight is a unit of measure that tells the player how heavy or light an item is. Its symbol is . Weight in Kingdom Come: Deliverance is measured in kilograms (the english translation reads pound but it is Kg).
1Kg = 2.20462 pounds.
Henry can only carry so much, after what he will be encumbered, he will not be able to run, sprint or mount his horse anymore. Carryweight can be increased with the perks Mule I, Mule II and Mule III.