The Wilson A2K gloves are made of a higher-quality leather. A2K Gloves have a softer lining that is thicker, stronger, and tighter at the same time. A2K is a softer line that is available for both right and left-handed throwers. A2K Gloves have a softer lining that is thicker, stronger, and tighter at the same time. The Wilson A2000 glove models do not last as long as the Wilson A2K glove models and are also heavier.