MERRI was founded by three friends in London who were fed up with having to choose between comfort and confidence. After suffering from UTIs and thrush all their lives, they were told by gynaecologists, doctors and their mums, to wear cotton underwear. It's the most breathable for your skin, helps to prevent infections and ease other skin conditions. But they weren't happy with the options available to them that they thought were boring, frumpy and plain. They realised they weren't alone. Over 50% of women will have a UTI and over 75% will develop thrush at some point in their lifetime. So MERRI was born…