【SIZE REFERENCE】【Size X-Small(Tag Size M)】: Waist :21.7-31.5" ,Length:37"【Size Small(Tag Size L)】: Waist :23.6-33.5" ,Length:37.8",【Size Medium(Tag Size XL)】: Waist :25.6-35.4 ,Length:38.6",【Size Large(Tag Size 2XL)】: Waist : 27.6-37.4" ,Length:39.3" Model:171cm/5'6'',Weight:46KG/101.4lb,Bust:84cm/33inch,Waist:60cm/23.6inch/Hip:85cm/33.4inch,Wears US XS/Tag Size M【Warm Tips:Size】Please Refer To Our Detailed Size Chart Before Ordering,thanks! 【SKIN FRIENDLY】70% mulberry knit silk +30% Viscose,Super soft,smoothly,lightweight,the silk long Johns Bottom is very absorbent and breathable, keeping you comfortable all time,Wicks moisture away from your body. 【SIZE OPTIONS】To ensure comfort and a good shopping experience, avoid returns (please ensure suitability for resale),we recommend that you check the style and size details（Refer to size image）before purchasing. 【CARE】 Hand Wash best in cold water with soap. Steam or dry it on low heat in the dryer and then become flat. After washing and hang drying, Always remember to separate your whites and colors.Mulberry silk made are delicate and will be snagged if touch some sharp and uneven articles. Silk is one of the best material for underwear,this women's silk long underwear pant is made of knit mulberry silk,soft,lightweigh and smoothly,silk is very friendly to your skin,good breathability and moisturizing, and is beneficial for skin health，silk long johns for women will be integrated with you,just like your second skin, keep you healthy and warm,great to be wear alone at home ,or be wear add an extra silk base layer (silk leggings)of warmth under your clothes in cold weather,or as a thermal long johns for sleep.give you a comfortable experience. it's one of yiour best care.