WOW! This top is truly so perfect in so many ways. The knott detailing in the front is fun and flirty and adds something different to a classic bikini. The back is adjustable with pull straps which allows you to tighten, loosen, criss cross, or open the back! It also does wonders on your girls (may need to size up depending on how much coverage you want)! Available in two color ways! 90% Polyamide 10% Spandex UV Protected ECO Friendly Model is wearing a size small and is 5'6", 140 lbs and a B cup. Fits true to size but recommend sizing up.