Mark V XS
Yasaka MARK V XS has a different rubber mixture in the top sheet and an improved production process (D.A.T. = Double Acceleration Technology) which gives MARK V XS more spin but still good speed characteristics.
Thicknesses: 2.0, max
Sponge hardness: 5 = hard, 1 = soft
Life cycle of the rubber: 5 = long, 1 = short