This season, the Glycerin 19 delivers the same ultra-cushioned experience you know and love, but it also comes with the option of GuideRails®for an added degree of support.Keep excess knee movement in check with the Glycerin GTS (replacing the Transcend in our line) — or keep things neutral with the Glycerin.The decision is yours, but whichever version you choose, our softest shoe makes running feel more like floating.
