also keep in mind that the 2a//b/c 3a/b/c etc classification system isn't really that important other than what your hair looks like. you also need to take into consideration your hairs texture, porosity, elasticity, and density. those factors are far more important, especially in considering what types of products you'll be using to make your hair look its best!
somewhere between fine and medium texture
average porosity underneath, fairly high porosity in the canopy

cowash: Suave Tropical Coconut
rinse-out: GFTN, One-C
styling: LALSG, EcoStyler, Deva Styling Cream