One Size: Tops Length:57cm,Sleeve:55cm,Shoulder: 34cm,Pants Length:90cm,Waist:25cm,Fit Weight: 40-70kg,Fit Height: 155-175cm. 2 pcs (Top & Bottom) Thermal Underwear Set. Long sleeve scoop neck top and elastic waist leggings. The four way stretch material provides a comfortable active base layer fitness. Ideal for daily wear and suitable for outdoor sports (walking,hiking,etc.). Worn as Basic Long Sleeve Undershirt and Leggings. Great to wear for sleeping or add an extra layer of warmth under your coat, sweaters, sleeveless smock dress etc. The long underwear can be the perfect under layer of your clothing to make you stay warm when you work outside in cold conditions, go for biking, mountains, snowboarding or other winter activities, live or travel to the cold places