The support you love, now with updated softness. The men's Adrenaline GTS 24 running shoes feature updated cushioning for lightweight softness. Brooks' trusted GuideRails® support system helps reduce excess motion, and the mesh upper provides breathable comfort. Updated dynamic cushioning: Newly added to this version of the Adrenaline, Brooks' nitrogen-infused DNA LOFT v3 foam delivers soft, smooth cushioning that adapts to your unique stride for lightweight comfort GuideRails® support: Brooks' innovative GuideRails® technology - shortened to 'GTS' for 'Go-To Support" supports your body in its natural motion path while keeping excess movement in check Midsole Drop: 12mm Optimized upper: The mesh upper provides an ideal balance of breathability, structure, and stretch for a comfortable fit Secure fit Support level: Stability