All Purpose Boot used for post surgery and for stabilising during walking. Charateristics of the boot: impact-absorbing effect and pressure re-distribution. 
 
It comes with 5 sizes: 
XS(33.5 - 37) 
S (37.5 - 39.5) 
M (40-41.5) 
L (42-44) 
XL ( 44.5 - 47)