If you&';re looking for supreme softness and ultimate comfort, the men&';s neutral Glycerin 21 running shoe provides an ultra plush ride thanks to even more soft DNA LOFT v3 cushioning than before, plus a new, more streamlined upper that delivers structure and breathability. Sustainability : a 59.7 : % Recycled materials in the upper a 4.1 : Plastic bottles diverted from landfills Features : a Supreme softness a Improved fit a Smooth, stable transitions Specifications : Designed for Road Midsole drop 10mm Weight 9.8oz / 277.8g