Leather gloves are expensive, so it makes sense to get as much wear out of them as you can. But wearing a pair of leather gloves that is too big can be uncomfortable. If you have an old pair of leather gloves that are too large, shrink them to make them fit better. Once you have shrunk those leather gloves for a more comfortable fit, simply condition them to make them as soft and supple as a brand new pair.
Heat a pot of water on the stove until it starts to boil. Remove the water from the heat and allow it to cool for about 5 minutes.
Dip the gloves in the hot water until they are fully submerged. Take the gloves out of the water and lay them flat on a solid surface.
Plug the hair dryer in and go over the gloves with the dryer on the hottest setting. Continue until the gloves are dry.
Try the gloves on to see if they are now the right size. Once the gloves fit properly, use mink oil or leather conditioner to soften the leather, since the hot water can leave the gloves somewhat stiff.