Birkenstock Bilbao men's blue classic two-strap slip-on sandal Thermals & Base Layers The contrasting grey sole unit

The contrasting grey sole unit is rated as SRC Slip Resistance and is 200oC temperature rated

Shock absorber

Adjustable hem

Navy Blue with Red & White Tipped Collar and Cuffs

Birkenstock Bilbao men's blue classic two-strap slip-on sandal Thermals & Base Layers The contrasting grey sole unitThe Bilbao two strap sandal combines the anatomically shaped design of the original BIRKENSTOCK footbed with an additional latex heel cushion and an air cushioned PU sole. Anatomically shaped PU footbed Upper: Birko Flor (synthetic compound) Footbed lining: suede Sole: PU (polyurethane) outsole that is resistant to oil and grease Two straps with adjustable metal pin buckles Non Marking Sole