Saucony Men's Guide 15 Running Shoes Black Size 11.5 D Medium USLighter and smoother every step of the way; With a softer lighter PWRRUN formula and more midsole beveling you get a thicker stack of cushioning and an incredibly smooth ride from heel to toe. Support that lets you fly; HOLLOW TECH gives you the underfoot support you need but in a lightweight and minimalistic way. Fits just right; By carving out the midsole and creating a deeper footbed you sit into the shoe