Product Details. Silk Laundry Bias Cut Shirt Storm. Silk Laundry's Bias Cut Shirt offers a semi-fitted silhouette with a button-down front and a matte sheen, enhancing its subtle style. Cut on the bias for a considered, pragmatic fit. Sandwashed 16 momme 100% silk satin. OEKO-TEX® certified. Button down front. Matte sheen. Semi-fitted. Cut on the bias. Finished with internal French seams