The Brooks Adrenaline GTS 23 has been made even bettter. With a Guide Rail holisitc support system. Brooks use innovative technology which supports your body in its natural motion path while keeping excess movement in check. The new midsole also features soft and lighter weight DNA LOFT V2 cushioning. Made with recycled materials, the upper has also been enhanced providing comfort and breathability with a 3D Fit Print for added structure. Weighing at 286g for the Men's and 258g for the Women's with an offset of 12mm.