Drop 0/Weight 68g/Stack Height 7 mm A Pies Sucios Simna even closer to the ground, so are the huaraches Pies Sucios Simna Ultra. With 2 mm less thickness, it is possible to improve the feeling of freedom while maintaining all the excellence of our Simna. They use Cromtex fabric for the footbed and the PS-Click lacing system. Ideal for and active lifestyle on the city and easy roads. 100% Veganas.