Shell Tri TopThis tri top is the go to, tan line friendly triangle top. The 3 16 inch full flex spaghetti straps are slider adjustable and help to evenly space out the weight of the bust onto the shoulders instead of being tied up at the base of the neck. The under bust of the bikini triangle is cut on a curve which acts similar to a bust dart when tied taut and gives extra room for the breast to stay in place. moderate support adjustable shoulder straps back tie