This is a tailored jacket by Kansai Yamamoto, a leading Japanese designer. The fabric is particularly noteworthy. It uses "Royal Ace" brand fabric (WOVEN IN JAPAN) from "Chodai," a long-established, high-end Japanese wool fabric manufacturer, making it a very well-tailored piece. With its classic three-button design, it's perfect for business settings as well as retro and vintage styles. Enjoy the high-quality feel of the wool mark-certified material. 【Product Details】 Brand: KANSAI YAMAMOTO HOMME Fabric Brand: Royal Ace by Chodai (Chodai Wool Fabric) Material: Outer: 98% Wool, 2% Polyester Lining: Polyester Color: Blue-gray系 (with shadow stripes) ※ A subdued dark tone. 【Size/Specifications】 Gender: Men's Marked Size: 100BB5 This is a Japanese ready-to-wear size BB5. Suitable for those around 170cm tall with a "sturdy/larger" build. In general sizing, the width is equivalent to L-XL, and the length is equivalent to M. 【Actual Size (Flat Measurement)】 ※ Please check the photos. Refer to the measurements in the photos. Length: Approximately 73cm Shoulder Width: Approximately 48cm Width: Approximately 54cm (※ Wider due to BB size) Sleeve Length: Approximately 60cm ※ Please note that there may be slight variations due to amateur measurements. 【Wearing Guide】 Height: Around 170cm Body Type: Athletic build, sturdy build, those concerned about their midsection BB size = Wide size 【Seasonality】 Suitable Seasons: Autumn, Winter, Early Spring ※ Suitable for 3 seasons except for mid-summer due to the substantial wool fabric, but especially recommended for autumn and winter. 【Condition】 There is some wear and tear, but no noticeable stains or damage, and the fabric still has a good firmness. (※ Please forgive minor wear and tear as it is a used item) Fabric: Royal Ace by Chodai (Chodai Wool Fabric) "Chodai" is a long-established, high-end Japanese wool fabric manufacturer, alongside Miyuki Keori and others. As "WOVEN IN JAPAN" indicates, it uses high-quality, Japanese-made wool fabric.