The legendary Brooks Adrenaline GTS 22 just got softer. This beloved support shoe will have you running smooth and steady with its updated 100% DNA LOFT midsole and GuideRails support. The new Adrenaline GTS has a midsole made up of 100% DNA LOFT. This simplified midsole construction makes it softer and, combined with the segmented crash pad, provides for a more seamless transition from the heel to toe-off. The GuideRails in the Adrenaline GTS provide a holistic support system and align your body into its natural motion path while keeping excess movement in check. Similar to how bumpers in a bowling alley keep the ball from going in the gutter. Brooks strategically uses 3D Fit Print technology in the upper of the shoe to provide structure for your foot, while moving with it. All of these factors combine to give you a smooth and steady shoe, making sure that you can “Run Happy.