Proenza Schouler Ladies Outerwear. Fashion category: Coats & Jackets. SKU: R2011002-22052. Color: Ecru/Black Windowpane. Proenza Schouler Ladies Windowpane Plaid Belted Trench Coat. A belted trench with a point collar, plaid prints, long sleeves with belted cuffs, a double-breasted front closure and a woven construction. Materials - Shell: 43% polyester, 28% polyester, 23% viscose, 6% polyurethane. Trim: 43% polyester, 28% polyester, 23% polyester, 6% polyurethane. Lining: 100% cotton. Made in Italy.