Men's Cotton Striped Thermal Long John Pants 95% Cotton + 5% Lycra Imported Hand Wash, water temperature must be lower than 40; Do not rub hard, Do not bleach or iron; hang till dry Skinny, slim and stretch design show your stronger body and more warm Comfortable, Fashionable and Liberal. A great gift for your lover or yourself. The size are asian size. Please pay a attention before you make order.If you shopping the thermal pants from U.S.A or EU brands, should be choice one size up.