I need to purchase a bikini, and the last time I did so was 15ish years ago - I generally avoid being at the beach/pool for multiple reasons. This is since I will be visiting friend out of state for a long weekend who has a house with pool, two young children and wants us all to spend a lot of time "hanging by the pool". Thus I want something relatively timeless, with decent coverage, that will serve me for several years, for rare occasions when I need to wear a swimsuit

I am seriously considering the swimsuit below as I love the retro design and heard a lot of good stuff here about the quality. If at all possible, I would like to avoid buying multiple sizes and sending some back. Last time I bought a swimsuit, I remember that swimwear ran small and one generally needed to purchase bigger size than for regular clothing. So, is that true these days for Boden? For example, I am currently smack in the middle between sizes 2 and 4 on the bottom (jeans 26/27), and wondering if 4 should work or I should get a 6. I like the fact the the tops have bra sizing and wondering if they are TTS or the band and/or the cups run big or small? I read the reviews on the site but would still appreciate some real life, recent experience.