meet the rio branco II in alveomesh swan nautico from VEJA. 

upper: alveomesh (100% recycled polyester)
panels: suede and leather
logo v: amazonian rubber (26%), mineral silica (22%), synthetic rubber (21%) and others (31%)
insole: amazonian rubber (11%), bio-based e.v.a. (53%, including 42% sugar cane), recycled e.v.a. (11%), organic cotton (12%) and others (13%)
midsole: e.v.a. bio-sourced (88%, including 59% sugar cane) and others (12%)
outsole: amazonian rubber (12%), mineral silica (30%), synthetic rubber (49%) and others (9%)
lining: recycled polyester (100%)
laces: organic cotton (100%)
made in brazil

alveomesh is a technical fabric made entirely from recycled polyester. it offers breathability, flexibility, and lightness to the shoe.