Men's Silk Lined Wool Robe Royal Blue Bonsoir of London 100% Pure Mulberry Silk Robes For Men Men's Mulberry Silk Robe Black with Twilight Blue Collar Men's Silk Lined Wool Robe Royal Blue Bonsoir of London 100% Pure Mulberry Silk Robes For Men. Wrap yourself in pure comfort with our Men's Black Robe featuring a soothing Twilight collar. Made from 100% pure Mulberry Silk, it caresses your skin with a luxurious touch. Hypoallergenic and gentle, it's perfect for sensitive skin. Lightweight and travel friendly, it's an ideal companion for your journeys, taking up minimal suitcase space.