You have what is considered Type 3. Type 3 is curly hair known to have an S-shape. The curl pattern may resemble a lowercase "s", uppercase "S", or sometimes an uppercase "Z" or lowercase "z".[RealSelf Works] This hair type is usually voluminous, "climate dependent (humidity = frizz), and damage-prone."[Hair at 58] Lack of proper care causes less defined curls.