Womens BOSS Ari-B Cotton Cap with Embroidered Double B Monogram An adjustable cap in breathable cotton twill by BOSS Womenswear. This accessory features 3D Double B monogram embroidery for effortless style. Material: 100% Cotton (65% recycled). Lining: 100% Polyester. Hand wash. Ref: 50533348-269, Material: Cotton.