- Brand: Kai rei and others - Size: XL - Color: Gray - Type: Top and bottom set This is a 100% silk underwear set (top and bottom). The 100% silk tag is shown in the third image. It is ideal for those who suffer from cold sensitivity. It includes a long-sleeved shirt and long pants. It offers a wonderfully smooth and comfortable feel. Please understand that price negotiation is not possible due to low margins. The quality is the same as it is produced in the same factory, but the brand name on the collar may change. Color: Gray Size: XL (equivalent to 173-178cm) Length: 70cm, Chest: 112cm, Sleeve length: 48cm, Waist: 68cm, Pants length: 104cm, Inseam: 60cm XXL size is equivalent to 175-185cm.