MerinoTECH Active Insulation Long Sleeve T-Shirt The ultimate active insulation that adapts to various environments. Employs active insulation material that combines merino wool and the super fiber graphene. It has both breathability and heat retention, is resistant to temperature changes, and excels in moderate breathability, moisture absorption/release, and quick-drying properties, reducing stuffiness. It also boasts excellent stretch, high odor resistance of merino wool, a relaxing fit, and durability. Size: L Width: Approximately 54cm Shoulder width: Approximately 47cm Length: Approximately 63cm Sleeve length: Approximately 61cm Please note that there may be slight variations due to amateur measurements. Color: Charcoal (bluish-gray color) Used only for indoor try-on. It is a beautiful item, almost unused, with no noticeable stains or tears. The tag has been removed. Please refrain from purchasing if you are sensitive to used items as it is a personally stored item.