11Jun 0 Comment THEORY $395 Shatrice Mixed Materials Wool Silk Sheer Back Jacket Top Size 00 Shatrice Wool Silk Sheer Back Blazer. By: Theory. MATERIAL: 98% Wool, 2% Polyurethane. Trim Lining: 100% Polyester. Back & Sleeves: 100% Silk. Dry Clean.