Birkenstock Mens Zurich Sport Sandal Cork,Jute,Suede Imported Birkenstock&reg; Size and Width Chart Please be advised that the Birkenstock&#174; Narrow width accommodates both traditional narrow and medium widths. Understanding Widths: The Regular icon (outlined foot) accommodates Regular to Wide. The Narrow icon (filled in foot) accommodates Narrow to Regular widths. Get comfortable in the casual and laidback Zurich Sport. Suede upper with full coverage adjustable strap for a durable exterior and custom fit. The leather-lined, contoured footbed will mold to the shape of your foot creating a custom footbed that supports and cradles your each and every step. Raised toe bar is designed to encourage the natural gripping motion of your feet, exercising your legs and aiding circulation. Neutral heel profile and deep heel cup keeps the natural padding of your foot where it belongs, distributing your body weight more even