****The price difference is due to the different shipping costs of different sizes. We calculate precisely only to keep low profit. **** Washing Method: 1. Washing temperature lower than 30℃ 2. Can Not chlorine wash 3. Can Not dry cleaning. 4. Hang dry. 5. Ironing temperature lower than 110℃ Product Category: Long John Pants Function: warm, elastic, bullet separation Fabric Name: Modal Pattern: solid color Pants length: to feet Body sculpting index: tight Waist type: middle waist Color: white, gray, black, purple, sapphire Size: L, XL, XXL, XXXL, 4XL(Not Standard US/EU Size, please refer to size chart Picture carefully.) Our store has more underwear for you to review. They are all high quality! Welcome to view! If you have any question, pls contact us at any time!