Fully lined Crafted in soft nappa leather. Easy to style with any ensemble. These running-inspired BOSS Menswear trainers are crafted in soft nappa leather. Perforated accents enrich this essential pair. Laces. Fully lined. Packaging: Box. Upper material: 100% Cow skin, Lining: 100% Polyester, 85% Polyester, 60% Polyurethane, 40% Polyester, 15% Polyurethane, Sole: 100% Rubber, Innersole: 100% Polyester. MPN: 50542099.