Wildling Perto Retail price $139 Size: EU 43. US size W11/ M10 Handmade in Portugal. The upper material is undyed, and the herringbone pattern is a product of the wool’s natural colors and a special weave. The use of 100% virgin wool in the upper material, wool in the lining and wool loden (100% virgin wool) as padding from the Nordwolle company keeps feet warm and dry. Material: Upper: Herringbone (100% virgin wool) – beige Membrane: 100% polyester containing approx. 75% recycled material Lining / insole: Felted wool loden (100% virgin wool) [Nordwolle] Edging: Microfiber (100% polyamide) – beige Outsole: 60% synthetic rubber containing approx. 33% recycled material, 25% silica, 15% recycled cork – dark brown