Description Size UK 2 3 4 5 6 7 8 9 10 11 12 Size US 3 4 5 6 7 8 9 10 11 12 13 Size EU 34 35 36 37/38 39 40 41/42 43 44 45 46 ·Flatlocked stitched ankle seams ·Below ankle cut ·2.5mm neoprene ·AO grippy rubber sole and reinforcements in all the right places ·Secure Velcro strap across foot ·Low profile fit. Great for slalom and playboats ·UK 5 – 12 ·Please note all sizes are UK. See sizing guide for comparison.