When it comes to sports support, this bra is a threefold blessing. Blessing 1: a four-layer, 5 point support system gives you that "no-move" kind of compression. Blessing 2: with three layers of power mesh, this bra actually breathes, aaahhhh. And blessing number 3: an adjustable back hook closure means you'll be able to get it off without that postworkout struggle. The 3 Blessings has made believers out of all our largest-breasted testers. 80% Coolmax, 20% spandex. Best for a D or DD looking for a bounce-free bra that breathes. By CWX. 34-38 B/C, D, DD