Sizing Chart fo Sauna Vest with Zipper
SMALL--- Wasit(31"-33"), Length(24")
Medium--- Wasit(33"-35"), Length(24")
Large------- Wasit(35"-37"), Length(25.5")
X-Large-----Wasit(37"-39.5"), Length(25.5")
2X-Large---Wasit(39.5"-41.5"), Length(26.5")
3X-Large--- Wasit(41.5"-44"), Length(26.5")
4X-Large--- Wasit(44"-47.5"), Length(27.5")
NOTE: The vest wroks better with a Tight fit, but if you need to wear it more comfortable, please choose one size up!