These are of 10mm Thickness. MEMORY FOAM INSOLES FOR GREAT FOOT COMFORT CUTTING ADVICE:- NEVER OVERCUT YOUR INSOLES, Do not trust the guide lines, ALWAYS MEASURE FIRST. Please note that although you can select your size from this listing, these are 'cut to size yourself' U.K. 3's-12's TRIPLE LAYER. Dense foam rubber top and bottom and an advanced memory foam layer between giving maximum comfort. You will recieve one pair of insoles, (fit mens & ladies shoes, simply trim to fit as necessary) Please leave un-cut for UK size 12
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