1774 III Florida suede sandals from BIRKENSTOCK featuring powder blue, calf leather, suede panels, grained texture, branded leather insole, moulded footbed, top buckle fastening, open toe, slip-on style and ridged rubber sole. Please note that the sizing for this unisex item differs from our regular Size & Fit information. Find your Birkenstock size by adding 31 to US women's sizes and 33 to US men’s sizes. Width: sizes 36-40 are Birkenstock Narrow, sizes 41-44 are Birkenstock Regular. Please reference Birkenstock's size guide for detailed sizing information..