BOSS Orange Nitan Nappa-Leather Trainers With Gold Branding in Black 005 With gold-tone branding and a signature-stripe detail, these BOSS Menswear trainers are brimming with BOSS DNA. Soft nappa-leather uppers. Ridged outsole. This product contains at least 80% better raw materials. The leather used to make this product has been sourced from certified tanneries. Laces Fully lined Packaging: Box Upper material: 100% Cow skin, Lining: 100% Polyester, 85% Polyester, 60% Polyurethane, 40% Polyester, 15% Polyurethane, Sole: 100% Rubber, Facing: 60% Polyurethane, 40% Polyester, Innersole: 100% Polyester  50548658