The Greenwich sneakers by Alexander Smith feature bold lines that highlight their character, while the use of bio-based and materials, including corn waste derivatives, confirms their essence and attention to detail. The upper and lining are developed with bio-based and materials, while other components are made with eco-friendly materials like polyester. The result is a stylish product that doesn't compromise on style. Upper in Free Bio™, Details in RePET, Lining in RePET, Cotton laces, Removable insole in ReFoam, 45 mm sole, 10 mm insole.