Merino wool 100% top and bottom set, perfect for the cold season with heat generation function. - Set includes: Top and bottom set - Material: 100% merino wool - Size: L - Features: Automatic heat generation function - Temperature increase: Approximately 3.5°C heat generation Packaging will be done with recycled materials. Also, it will be compressed, so please refrain from purchasing if you are concerned about creases or distortions in the packaging. Thank you for viewing.