Professional sneakers. You can wear at work, with a suit or go for a run with it!    Black leather: •Leather upper  •Lightweight and extremely flexible construction. •J&M Smart Degree Technology® 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 wtih antimicrobial protection for long-lasting wear. •Removable, molded EVA cushioned footbed. •Extra-flexible, grooved TRUFOAM® EVA sole for high-rebound and ultra-light cushioned comfort.   Gray Knit •Breathable sport knit upper with leather trim. •Lightweight and extremely flexible construction. •J&M Smart Degree Technology™ 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.