The newest member of our bestselling Amherst family.Lightweight and flexible design in breathable sport knit, with an updated 2.0 shape and a slightly thicker chevron-patterned sole.Temperature-regulating J&M Smart Degree Technology polymers that line the interior activate at both hot and cold temperatures, so your feet feel just-right all day long.Removable, molded EVA cushioned footbed.Full-grain leather trim.Extra-flexible grooved TRUFOAM sole with rubber heel inset.