Outfield gloves are usually longer and larger in size than infield gloves. They also tend to have deeper pockets, as they are meant to help outfielders make those large, diving catches.
Outfield gloves are larger than infield gloves so that players have more range and reach in the large space they cover. These gloves have deeper pockets and an H-web or a trapeze web.
Outfield gloves can be used whether you are playing left, center or right field and are usually 12 ¼ inches to 12 ¾ inches in size.