I have never worn this since I purchased it. Silicon Poplin Oversized Regular Collar Shirt #BLACK [GM243-50144] ■Product Details. ・Material and Fabric This shirt uses a fabric made by weaving extra-long staple cotton into a plain weave and impregnating it with a special silicone resin to give the fabric resilience and firmness. The fabric is finished with a bio-processing treatment to create a smooth and soft texture. It features a silky texture that you wouldn't expect from 100% cotton. ・Design This is a regular collar shirt with a boxy silhouette and a drop shoulder. It's a big silhouette shirt finished with a unique balance that is characteristic of the brand, with details such as the shoulder slope, the lowered yoke position, and the width of the armholes. ■Size Spec. [Men's] 【1】Shoulder Width: 60cm　Body Width: 70cm　Length: 84cm　Sleeve Length: 56cm