•Lightweight and extremely flexible construction. •Breathable sport knit. •Full-grain leather trim. •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 anti-microbial protection for long-lasting wear. •Removable, molded EVA cushioned footbed. •Extra-flexible, grooved TRUFOAM® sole for high-rebound and ultra-light cushioned comfort. •Leather Working Group Gold Rated tannery.