At first they may be awkward to use and difficult to insert. But with some practise they are easy.
Some dislike the appearance.
The material creaks a little. Using a lubricant will lessen the noise during intercourse.
  It’s more expensive than a regular condom and they are not sold in as many stores, making them hard to find.
In some positions it doesn’t stay in place very well. You may need to hold on to the outer ring to prevent it from slipping into the vagina.