DESMIIT Men's Thermal Long John 92%Cotton+8%Spandex Material: Cotton Elastic waist,soft and comfortable Warm Waffle Knit traps and retains body heat The size for all item products are asian size. Please pay a attention before you make order. If you shopping the item from U.S.A or EU brands,should be choice one size up. Cotton Rich for Comfort. Shrinkage Controlled