Latex full body harness. 
Made with metal sliders to easily accommodate many sizes.

Latex has 2"-3" of stretch. All measurements are unstretched.
X-Small: underbust adjusts from 19"-28", low waist adjusts from 18"-29"
Small-Medium: underbust adjusts from 22"-34", low waist adjusts from 26"-38"  
Large-XLarge: underbust adjusts from 30"-45", low waist adjusts from 30"-46"
2X-3XLarge: underbust adjusts from 34"-53", low waist adjusts from 34"-54"