A stress equilibrium mold design is placed on the inner layer. The outer layer you have An all-season silica tread compound, A directional, rigid tread pattern, an Angled HydroChute sipes that help channel water away from the tire/surface contact, Dual noninterrupted center grooves that efficiently evacuate water, a DURABLACK sidewall that maintains the tire’s black appearance, Full-depth sipes, and a computer-sequenced tread design and patented torque-locking sipes.