They are light,adidas stan smith multicolor, Used them for 5 years from walking around the city in the winter time to light summer treks and even winter hikes in 50cm snow. it's time to whittle down on the height of that heel rise. Heel striking is not comfortable in these shoes.jpg" title="MSR Hydromedary Hydration System Credit: MSR" alt="MSR Hydromedary Hydration System Credit: MSR">MSR Hydromedary Hydration System 2L