Last width

 Symbol Explanation
 G normal Pomar-last
 
 H + 1 width, wide Pomar XW-last (extra wide), when you need wider shoes
 
 I + 2 width , wide Pomar Orto last. When you need wide shoes which support the feet in the heel area, or when your feet are sensitive or if you have own individual insoles
 
 J + 3 width , very wide Pomar Orto last. When you need wide shoes which support the feet in the heel area, or when your feet are sensitive or if you have own individual insoles
 
 K  + 4 width, the most wide Pomar Orto last. When you need wide shoes which support the feet in the heel area, or when your feet are sensitive or if you have own individual insoles