Edwin Slim Tapered Kaihara Black x Black Stretch Black (Rinsed) The \'Made in Japan\' Collection offers a unique product with no direct competition in terms of quality, price point and a âMade in Japanâ provenance. Accommodating the more traditional aspects of the premium Japanese denim collection, the Slim Tapered Jeans is made from a 12.5oz Kaihara, Black Stretch Denim, Green x White Selvage Fabric. Made in Japan Slim Tapered Fit Mid Rise 12.5oz Kaihara, Black Stretch Denim, Green x White Selvage Fabric 98% Cotton / 2% Polyurethane