Brooks has recently released its newest version of the road/trail hybrid Adrenaline ASR line. The ASR7 remains in the mold of previous ASRs with a few upgrades. The shoe is still based on the Brooks Adrenaline road shoe. It still provides some stability and is a good fit for a current adrenaline wearer looking to hit the trail. The new version is styled more like a trail runner with its overall appearance and a more aggressive tread pattern.