These orange mesh step ins are new in and they won't hang around.  They are clearly very well made and hard wearing.  We decided to buy some to try but they turned out much better than expected.  The build quality is exceptional, they are constructed to stand up to the strains of life in jail and they will!

Here is an approximate size chart

               US             UK           EURO

S            5-6              5                39

M           7-8               7               40

L            9-10             9               43

XL         11-12            11             45

2XL       13-14            12             47

3XL       15-16            15             50