From Johnston & Murphy, the Men's Amherst 2.0 Leather Plain Toe Sneakers feature: Full grain leather upper Lightweight and extremely flexible construction J&M Smart Degree Technology™ features temperature regulating polymers that line interior activate at both hot and cold temperatures so feet feel just -right all day long Smart Degree linings are treated with antimicrobial protection for long-lasting wear Removable, molded EVA cushioned footbed Extra-flexible, grooved TRUFOAM® sole for high rebound and ultra-light cushioned comfort Imported