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 Unisex Arizona Birko-Flor Regular Fit Sandal - White - Size 39 | BIG W
Birkenstock Gizeh Vegan Black Regular Slide for Womens (EURO 39): Buy Birkenstock Gizeh Vegan Black Regular Slide for Womens (EURO 39) Online at Best Price in India | Nykaa
Birkenstock Gizeh Big Buckle Sandal EU 39 Regular Width Black Silver New Box NIB | eBay