The bovine Chrome Free leather is smooth and light. Coming from farms located in the south of Brazil (Rio Grande do Sul), it undergoes an innovative tanning process where no chrome, heavy metals, or dangerous acids are involved. By simplifying the tanning process, the use of chemicals and energy is limited. Water use is reduced by approximately 40% and salt by 80%. After tanning, the water is recyclable *ethylene vinyl acetate Upper: Chrome Free leather Panels: Chrome Free leather and suede Logo V: Suede Insole: Amazonian rubber (11%), sugar cane (42%), recycled E.V.A.* (11%) and organic cotton (12%) Welt: Rubber Outlsole: Amazonian rubber (40%) and recycled rubber (10%) Lining: Tech (100% recycled polyester) Laces: Organic cotton (100%) Made in Brazil WOMEN EUR 35 36 37 37.5 38 38.5 39 40 41 US 4 5 6 6.5 7 7.5 W8 / M6 W9 / M7 W10 / M8 UK 2 3 4 4.5 5 5.5 W6 / M5.5 W7 / M6 W8 / M7 JP 21.5 22 23 23.5 24 24.5 25 25.5 W26.5 / M26 Length (cm) 22 22.6 23.3 23.7 24 24.3 24.6 25.3 26 CAMPO Chrome Free Leather Sneakers - Extra White/Mulberry