XIANQI Main fabric composition: Nylon soft and breathable, Made from smooth, breathable fabric, our men's shapewear shirts are designed for all-day comfort and absorb heat and sweat. Above the chest, mesh panels are designed to provide breathability to sweat-prone areas, allowing sweat to evaporate quickly and keep you cool. PREMIUM FABRIC AND STRONG SEWING: This men's gynecomastia compression vest is soft, comfortable and strong. Shows strength and reliability at the seams and withstands tugging and pulling. Skin-friendly material prevents your skin from itching and scratching. Back support and roll-up prevention: After collecting extensive customer feedback, we have improved the length and position of the back embedded steel frame. The shorter steel and raised steel position ensure adequate support at the waist without poking your skin. If your arm races or sits, This men's waist training vest doesn't roll up. Size: XXL, Colour: Black What's Included: 1 x Men's Waist Trimming Belt Product size: chest circumference 46cm, waist circumference 41.5cm, clothing length 66cm, the recommended waist circumference is 2.6-2.9 feet, and the recommended weight is 160-190 catties