TopTie men's shape wear vest abdomen control undershirt would be a great option if you wish to flatten your abdomen, firm up your chest and supports the back and have more confident posture.Please check our SIZE INFO in description or picture rather than amazon.com's "Size Chart" to pick a suitable size. Do you like a tight fit? Go for one size smaller than you usually wear. Want a loose fit? Go for one size larger.Small -- Fits chest 32"-39";Medium -- Fits chest 40"-47";Large -- Fits chest 48"-55";X-Large -- Fits chest 56"-63";XX-Large -- Fits chest 63"-71";XXX-Large -- Fits chest 71"-79".If you don't know what to choose size, please measure your current height and weight to contact us.Recommended features:** LOOKS THINNER AND KEEP FIT - it is a belly body shaping vest that can tighten and shrink your bulging stomach. The comfort yet practical design of our undershirts provide immediate slimming effect while wearing it underneath all types of clothing, it will keep remind you to lose weight and keep fit and build confidence.** REVOLUTIONARY SLIMMING UNDERGARMENT - Made for wearing underneath any kind of clothing, such as workout shirts, t-shirts, sweaters and formal dress shirts. The slimming compression is a secret between you and your garment