Shimamura Fiber Heat Moisturizing Soft Innerwear - 2 Pieces Women's Round Neck 3/4 Sleeves Color: Black Size: M Comfort and Warmth with a Focus On: ⭐︎ Silk Blend ⭐︎ Moisture-Absorbing Heat Generation ⭐︎ Static-Resistant ⭐︎ Jointly Designed Pattern with Japan Women's University I purchased these a few years ago, but they have been stored at home without being opened or used. Thank you for your understanding and purchase.