versatile front zipper & snap closure as well as back hook & eye closure. adjustable straps can be worn 2 ways: front-to-back or criss-crossed to form X at back, whichever is most comfortable for daily wear or exercise. pockets for optional breast foms, and 2 are included with this purchase (they retail separately from Athleta at $10). Size Medium fits A, B, C cups. from smoke-free, pet-free home. next day shipping. offers welcome.🎀