Details: Clarks Unstructured Un.Anders The Clarks Unstructured Un.Anders men's slip-on shoe brings together a classic design and a handful of modern style elements. The luxurious leather upper and molded OrthoLiteÂ® footbed offers heel-to-toe comfort. The durable rubber outsole promises traction and even more cushioning. The Clarks Unstructured Un.Anders is perfect for suits, denim, and business casual attire. MaterialsFull grain leather upperOrtholite footbedNylon shankLeather socklinerEVA midsoleRubber outsoleHeel Height1 1/1 "Platform1/2 "Weight11.3 ozLiningLeather and suedeCountry of OriginChinaItem #62156, 62157 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.