Upper in Alveomesh 100% recycled polyester Panels made in T.P.U. Logo V and heel support insert made of Pebax® Rnew® 62% ricinus oil Insole 75% bio-based and recycled (52% sugar cane - 23% recycled polyester) Midsole 60% sugar cane Outsole 61% bio-based (30% Amazonian rubber - 31% rice waste) Cushion latex in L-Foam 30% natural latex from Brazil Lining in Tech 100% recycled polyester Laces 100% recycled polyester Backloop and cords 100% recycled polyester