The Adrenaline GTS 10 from Brooks features HYDROFLOW - Dynamic viscous fluid units for heel andforefoot enhance midsole cushioning - attenuating shock with industry leading dampening and comfort. BIOMOGO - Long-lasting cushioning MoGo midsole and environmentally friendly. DIAGONAL ROLL BAR - A high-density post at the medial arch is engineered for pronation control and creates a smoother transition from the midstance phase into the propulsion phase. DRB ACCEL - Enhances tunable torsion of the midfoot. Shank-like thermoplastic devices vary from single units of a set modulus to dual unit versions of varied modulus tuned with higher stiffness for medial support the lateral side less stiff to smooth the ride. HPR Plus - A higher durability abrasion-resistant rubber outsole compound that wears longer. ENGINEERED STABLE POD CONFIGURATION - Midsole and outsole components are engineered to set the foot up in an efficient balanced position from heel strike to toe-off offering maximum stability and responsiveness.