You should wash them immediately after every use. This will ensure you get the best possible grip and life out of them. Dry dirty gloves = brittle latex = poor grip and durability.
For more information on how to wash goalkeeper gloves, visit our dedicated guide here.
Why it's important to wash your gloves
We put gloves under the microscope to reveal the tiny pores invisible to the naked eye - if these get filled with dirt, sweat or bacteria it means moisture can't get into the latex to activate it!