Boss Mens Aiden Tennis Trainers - White/Blue Round off everyday looks with the cleanly styled uppers of these BOSS Menswear trainers.. Grained synthetic coated fabric with leather trims. Synthetic coated fabric, sometimes referred to as faux leather, is a fabric designed to resemble real leather, and/or display a matte, glossy, smooth, or textured, coated appearance. Laces Fully lined Boss branding Grained synthetic upper Leather trims Upper material: 60% Polyurethane, 40% Polyester, Lining: 100% Polyester, 85% Polyester, 15% Polyurethane, Sole: 100% Rubber, Facing: 100% Cow skin, Innersole: 100% Polyester Model no. P-8020-870--