Upper Nubuck (Calfskin) Color Green Outsole/Features 70% EVA / 30% natural EVA XL EXTRALIGHT® Organix™ for lightness and shock absorption Insole OrthoLite® for cushioning Lining 70% recycled Polyester, 30% Calfskin Camper Green nubuck men's sneakers with OrthoLite® Recycled™ removable footbeds, and XL EXTRALIGHT® Organix™ 3.0 outsoles (30% bio-circular compounds).