This is a thin, front-opening pajama set. Both top and bottom are 100% cotton. The waist is fully elastic. There is a chest pocket, and no stretch. Please refrain from purchasing if you are concerned about the color, as there are wrinkles from storage and it's difficult to capture the actual color in photos. It will be shipped folded compactly. 【Shirt】 Length: Approximately 70cm Width: Approximately 50cm Shoulder width: Approximately 49cm Sleeve length: Approximately 54cm 【Pants】 Total length: Approximately 99cm Inseam: Approximately 70cm Waist: Approximately 32cm *All measurements are approximate and taken flat.