The V-10 model made out of ecological and sustainable materials stands for 10 years of love.- Upper in C.W.L.* - Panels made out of C.W.L.* & coated canvas- Logo V made of rubber and rice waste (23%)- 100% organic cotton laces- Tech inner lining (100% recycled plastic bottles). Developed to acquire better resistance to friction and provide maximum comfort and flexibility thanks to its mesh structure- Insole made of sugar cane (34%), amazonian rubber (11%), organic cotton (11%) & recycled E.V.A.** (8%) - 59% bio-sourced and recycled outsole: made from amazonian rubber (24%), rice waste (38%)- Back buckle made of recycled plastic bottles (100%) - Made in Brazil, in the region of Porto Alegre*Cotton Worked as Leather. This material is a vegan alternative to leather. A 100% organic cotton canvas, coated with P.U., corn starch and ricinus oil. 54% bio-based. Made in Brazil.**ethylene vinyl acetate