Sisyama Sauna Sweat Workout Exercise Fitness Weight Loss Hot Slimming Suit Men Women Pink suit provides complete midsection slimming and shaping. Blue suit in slim-fit accommodates both men and women. Breathable mesh material under arm and at groin provides extra ventilation. Front-zip closure. Accelerates metabolism. Increase body temperature to burn more calories. See size chart. Male model #1 is approximately 5'8" and wears a size S. Female model is about 5'6" wearing a size Small. Male model #2 is approximately 6' and wears a size L. Please order one size down if you are under 5'4" and one size up if you are over 5'10". We use real people instead of modeling agency aiming for the best sizing reference. If you don't find our size chart accurate, please email us so we could better serve your needs. THANKS!