Take a look: product packaging box color, company trademark, tag, barcode.

Two touches: all genuine products are light, soft, elastic and feel good. Three pulls: pull the collar, sleeves and waistline of underwear horizontally and vertically. If it is a counterfeit product, it is generally inelastic and it is not easy to shrink back to its original size after being pulled by hand. Four wear: close-fitting, comfortable, warm and cold-proof, wind-resistant, breathable and gentle. Five washes: genuine, can withstand repeated washing by washing machine, and will not deform or shrink after drying by dehydrator.

Underwear (English name: underwear) refers to the clothes worn next to the body, including vests, undershirts, shorts, tube tops, bras and so on. , usually in direct contact with the skin, is one of the indispensable clothes for modern people.