Increase your stamina in this supportive, underwire sports bra. Built for high-impact activities such as running. Encapsulated, seamless cups support each breast individually. Breathable, lightweight spacer foam-lined cups. Comfort straps gently cushion the shoulders. Customize your fit with back adjustable stretch straps. Easily converts to racerback with convenient J-hook converter. Moisture-wicking and light as air spacer fabric for total comfort. Hook count: 3-hook = Cup sizes B-E. Hook count: 4-hook = Cup sizes F-H.
Body: 67% Nylon, 30% Polyester, 3% Elastane.