Innerwear set for women, ultra-thin, super stretchy innerwear, feels like bare skin, 37°C constant temperature, warm, heat-generating, long sleeves, hyaluronic acid infused, U-neck, plain, cold protection, underwear, machine washable, moisture-absorbing and heat-generating, antibacterial and odor-resistant, anti-static, moisturizing jinjiasi01 ‐ Mercari: Shop from Japan