Given the sole shape, i recommend that you aim to get the perfect fit rather than wearing them 'loose.'. When considering the length of your birkenstocks, the most important factor to consider is where the arches of the sandals hit your feet. The fit is pretty much true to size.
If you are a female seeking a wider ‘m’ fit, please choose from our men’s styles (which are in reality unisex!).
With men’s sizing, birkenstock recommends adding 33 to your us size. “regular” for normal to sturdy feet and “narrow” for slim and more narrow feet. With men’s sizing, birkenstock recommends adding 33 to your us size. The main reason for this is size conversion between uk, eu & us which can be very misleading.
