Liang Rou Ladies Ultra Thin Modal Top & Pant Underwear Set. Liang Rou is a brand specialized in intimate apparel over 10 years, like leggings, thermal underwear, basic tops etc. Dressing Advice (1)This is bottoming garment. It will be an extra layer of warmth to wear them as long sleeve base layer T-shirt and Leggings under sweater or coat. (2) Advise to choose thicker thermal underwear if you need to stay outside in very cold weather, Liang Rou Ultra Soft Fleeced Thermal Underwear and Liang Rou Thick Fleeced Thermal Underwear can be your good choices. (3) Liang Rou Thermal Underwear Series have 4 different fabric and thickness for your reference; Liang Rou Modal Thermal Underwear: Thinnest Liang Rou Cotton & Modal Thermal Underwear: Thin Liang Rou Ultra Soft Fleeced Thermal Underwear: Thick Liang Rou Thick Fleeced Thermal Underwear: Thickest Please according to the size information and choose the suitable size XS/S Size: Chest Measurement 31-42 inch, Sleeve Length 19.5 inch. Pants Length 35 inch, Elastic Cord Waist 22-32 inch. (Recommend for US size 2 4 6) Medium Size: Chest Measurement 33-46 inch, Sleeve Length 20.5 inch. Pants Length 35.5 inch, Elastic Cord Waist 24-34 inch. (Recommend for US size 8 10) Large Size: Chest Measurement 35-50 inch, Sleeve Length 21.5 inch. Pants Length 36 inch, Elastic Cord Waist 26-36 inch. (Recommend for US size 12 14) X-Large Size: Chest Measurement 37-54 inch, Sleeve Length 22.5 inch. Pants Length 36.5 inch, Elastic Cord Waist 28-38 inch. (Recommend for US size 16 18) XX-Large Size: Chest Measurement 39-58 inch, Sleeve Length 22.5 inch. Pants Length 36.5 inch, Elastic Cord Waist 30-40 inch. (Recommend for US size 20 22) Liang Rou Ultrathin Modal Underwear Series are high elastic and skinny thin undergarment, and they may become a bit bigger after several times water washing.