KENSBUY Unisex Summer Breathable and Durable Mesh Shoes,Outdoor,Beach Aqua,Walking,Anti-Slip Slippers EU44 Grey-Green 36M EU = 5.5B(M) US =230mm 37M EU = 6B(M) US = 235mm 38M EU = 7B(M) US = 240mm 39M EU = 8B(M) US = 245mm 40M EU = 9D(M) US = 250mm 39M EU = 8B(M) US = 245mm 40M EU = 9D(M) US = 250mm 41M EU = 8D(M) US = 255mm 42M EU = 8.5 D(M) US = 260mm 43M EU = 9.5D(M) US = 265mm 44M EU = 10D(M) US = 270mm 45M EU = 11 D(M) US = 275mm 46M EU = 12 D(M) US = 280mm Unisex Multi-Use:house slippers\walking\aquatic recreational amenities\beach visit\shower\nurse working Special Design:you can use it as a slipper or sandal Breathable Mesh Upperprovides ventilation to reduce heat and moisture inside your shoes Lightweight and Non-slip outsole,Youcan wear it to go skiing,beach playing,dancing,running and so on.