Details: Clarks Unstructured Un.Kerrigan The Clarks Unstructured UN.Kerrigan is an office-ready style with UnstructuredÂ® comfort. This menâs apron-front lace-up shoe cushions the foot with extra padding and a removable footbed, while the Air Circulation System, a unique climate control technology, keeps feet feeling fresh and comfortable all day. This dressl shoe also features lambskin linings for a luxurious feel, PU outsole with rubber strike pads to provide flexibility and traction and Ultra Flex Grooves to ease the walking motion. Start your day on the right foot with the Clarks Unstructured UN.Kerrigan! MaterialsLeather upperRemovable EVA fotbedLightweight "Ultra Flex" EVA midsoleRubber outsole padsWeight15ozLiningLambskinCountry of OriginChinaItem #82584 Technical FeaturesThe Clarks Unstructured collection is lightweight, flexible, soft and breathable because it features the unique Air Circulation System â a climate control technology that keeps feet fresh and comfortable all day. Itâs like fresh air for feet. Strategically placed vents allow warm air to escape.Fresh air is pulled in through vents near the sole, creating a comfortable, dry climate with every step.Designed to offer impact responsive airflow, Active Air is a unique air-cushioning technology that buries a network of air channels and chambers deep within the midsole and footbed of the shoe.