Left: 41 narrow, Right: 40 regular (I'm normally a 39 or 40) Which looks better to you? I find 40R more comfy but the woman in the store said i should go
Birkenstock Footbed FAQ - Englin's Fine Footwear
Amazon.com | Birkenstock Women's Arizona Birko-Flo White Birko-flor Sandals - 38 N EU (US Men EU's 5-5.5, US Women EU's 7-7.5) | Flats