For men, there is jean-cut leather and pvc pants that will great on any male body shape. For women, a circle skirt can hide hips and waists. Also, for women with smaller chests, try a corset. Even in the 1950s many people had rubber fetishes and loved to wear rubber. Unfortunately their shopping was limited to raincoats and boots.
Many manufactures specialize in only rubber.
Wearing latex is a talent in itself. Latex is glued together to make clothing. Latex is usually the hardest to find and more expensive fetish wear to buy. Check the DIY on Rubber Clothing and learn to make your own. Sometimes equal in price to latex.