At the sweet spot on the Venn diagram where comfort, support and fit overlap, sits the Adrenaline GTS 18. This is the go-to shoe for dedicated runners, featuring dynamic cushioning that adapts to your unique stride, a Progressive Diagonal Rollbar that promotes proper body alignMent, and on-demand shock absorption to keep your full body feeling good, mile after mile. -Modernized Fit: The asymmetrical 3D Fit Print and TPU saddle pulls from the heel and wraps around your midfoot for a secure fit. -Trusted support: Progressive Diagonal Rollbar (PDRB) ensures your body is in proper alignMent every step of the way. -Smooth Ride RefineMents in softer cushioning, increased flexibility, and seamless heel-to-toe transitions give you the smoothest feeling underfoot.