Warm items using Philcella from Hogara are now available! The back and shoulders are lined with this Filcera material with a far-infrared effect to keep the body warm. What is Filcella? A heat storage functional material specially spun by uniquely blending microscopic ceramic powder into textile raw materials. A special material handled by Teshima that uses its own body temperature to catch the temperature between the fabric and the body to maintain warmth. It keeps the body warm by keeping the inside of the clothes comfortable. *The effect may vary from person to person depending on the environment and conditions in which it is used. *The feeling of warmth varies from person to person. Hogara's night bra keeps the body warm by gluing this Filcera material with far-infrared effects on the back and shoulders. Available in 1 black color and 2 sizes (M and L) Maintain a "comfortable warmth" close to your body temperature to a comfortable time for me