Engineered for stable, cushioned runs. Knit upper with breathable pattern. Responsive midsole for smooth transitions. Secure lacing and padded collar for comfort. Versatile neutral-support design. Brooks Adrenaline GTS 21 Size 9.5 *Please note: these are in good used condition. There are some slight signs of wear, but there is definitely some life left in them. They were worn exclusively indoors.