Fits true to size.

Insole: Amazonian rubber, Sugar cane, recycled E.V.A.(ethylene vinyl acetate) & organic cotton. Outsole: Amazonian rubber (31%), rice waste (22%) & recycled rubber (12%). Lining: Tech (100% recycled polyester). Laces: Recycled polyester (100%). Made in Brazil, in the region of Porto Alegre.