They might absorb some sweat too, but at least its open-back and cloth, so theyre breathable. Perfect for what I needed! I wish they sold these in store but I have only found them online. Unfortunately, the build quality does not match the sound quality. On the flip side they are extremely light so dont even feel them on your head. A more intimate sound is the result. Das wird wohl länger als 2 Jahre halten. Up and running in a few seconds. 5/5 starsConnection - Seems mostly solid, no drops, Will keep testing. This COOY Garage Storage Cabinet with Doors and Shelves is a bear to assemble.