Interior material:Neoprene Sauna vest with Zipper and back support sweat more than regular gym clothing,helps posture for back and abs as you workout Making you sweat like crazy when you workout keeps you body warm during cold days with minimal thermal cover with this underwear ,This Corset training vest can be worn under or over your regular shirts Vests burn more fat, produce heat in a workout wearing Sauna slimming Vest burns fat and accelerating your quick lose water weight Material produce higher compression resulting in more sweating and help your body to sweat out harmful fats.Enhances the abdominal and spinal support Wear the body Shaper under jacket or dress around the house,when you're exercising,running errands or going out.You'll have a firmer posture,lower back support,and be sweating all day. Specification: Color: Gray S size waist: 80-85cm/31.50-33.46inch, Chest: 90-95cm/35.43-37.50inch, Length: 61CM/24.01inch M size waist: 86-91cm/33.86-35.83inch, chest: 96-101cm/37.80-39.76inch, length: 62CM/24.41inch L size waist: 91-96cm/35.86-37.79inch, chest: 101-106cm/39.76-41.73inch, length: 63CM/24.80inch XL Size Waist: 96-101cm/37.79-39.76inch, chest: 106-111cm/41.73-43.70inch, Length: 65CM/25.59inch 2XL waist: 101-106cm/39.79-41.73inch, chest: 111-116cm/43.70-45.67inch, length: 66CM/25.98inch 3XL waist: 106-111cm /41.76-43.70inch,chest: 116-121cm/45.67-47.64inch, length: 68CM/26.77inch Package Includes: 1 Piece Men's Shaperwear