Your heel should lift up and down with every step so if you are a half-size you may be more comfortable sizing up Please click to learn about the benefits of the Dansko Professional. Dansko' s flagship classic for all-day support provides comfort to those in the nursing hospitality and other occupational fields. Available in a variety of high quality leather uppers that follow the natural contours of the foot. Box leather is ideal for the workplace environments with wet acidic or greasy conditions. It has a smooth clean finish with the natural irregularities removed. It is the easiest leather to maintain and can be wiped clean with soap and water. Roomy Thermoplastic toe box provides durable reinforcement and toe protection while allowing toes to move comfortably. Non-allergenic vegetable tanned leather sockliner wrapped around synthetic foam absorbs and evaporates perspiration. PVC inner frame provides stability and reduces torque and pronation. Polyurethane outsole: shock absorption and flexibility withstands surfaces of extreme heat and cold and protects feet legs and back during long hours of standing or walking. Dansko' s Stapled Clog Collection proudly carries the Seal of Acceptance from the American Podiatric Medical Association. Measurements: Heel Height: 2 in Weight: 1 lb 6 oz Platform Height: 1 2 in Product measurements were taken using size 45 (US Men' s 11.5-12) width Wide.Weight of footwear is based on a single item not a pair.