compromising traction, an all no-leather, water repellent upper made of high quality microfiber in black color, a mesh lining with waterproof membrane, and a Vibram® Xs Trek toothed tread pattern sole for optimal traction and use on the roughest surfaces. Vibram® Xs Trek toothed tread pattern sole for optimal traction and use on the roughest surfaces. All no-leather, high quality water repellent microfiber upper. Waterproof membrane lining. Rubberized toe cap for enhanced protection.Laced closure for enhanced stability UPPER: 62% Polyurethane , 22% Rubber, 16% TPU SOLE: 70% Rubber, 30% Phylon FW25 Size conversion EU US UK FOOT LENGHT CM FIT 36 4 3.5 23 36.5 4.5 4 23.2 WIDER FIT 37 5 4.5 23.5 37.5 5 4.5 24 WIDER FIT 38 5.5 5 24 38.5 6 5.5 24.2 WIDER FIT 39 6.5 6 24.5 39.5 6.5 6 24.7 WIDER FIT 40 7 6 25 40.5 7.5 6.5 25.5 WIDER FIT 41 8 7 26 41.5 8 7 26.2 WIDER FIT 42 8.5 7.5 26.5 42.5 9 8 27 WIDER FIT 43 9.5 8.5 27.5 43.5 9.5 8.5 27.7 WIDER FIT 44 10 9.5 28 44.5 10.5 9.5 28.5 WIDER FIT 45 11 10 29 45.5 11.5 10.5 29.5 WIDER FIT 46 12 11 30 47 13 12 30,