I bought the Tanuki Niji in a size EU37. True to size. Take your usual size especially if you want that barefoot feel which I adore! The shoe is .... AMAZING! I absolutely LOVE LOVE it! I cannot begin to express the total joy it feels to walk in this shoe! Its pure magic! I recommend it 100% and if you're like me and prefer using shoes without socks, especially in the Summer, then get the 'WASHI' insole as it prevents your feet from sweating and you have that fresh feeling all day! I will be ordering my next Wildings shoes for the Winter! I cannot recommend this sustainable barefoot brand enough, with its innovative technology and materials to create shoes for us to exist as nature intented! Spectacular!