A1 Style- Short Sleeves. 2 set in front pockets, 2 breast pockets, 2 patch hip pockets. Safety stitched mainseams. Action back. Elastic waist inserts. A2 Style- Long Sleeves. 2 Front Pockets, 2 Patch Hip Pockets, 2 Breast Pockets, 1 Rule Pocket. Side Vent Openings, Action Back. Sized to be worn over clothes. A3 Style- Same as A2, but a Twill Fisher Herringbone Cloth. These New, Never worn items are marked as Irregular due to minor flaws. Allows us to sell this serviceable garment for a fraction of the price!