AKAMC brand is focus on design seamless style underwear and aim to design the best sports bra for you. Exercising without the proper chest support may contribute to pain and discomfort,and stretched skin and ligaments,which may cause saggy breasts.A sports bra helps minimize the move of your breasts.But the compression-style sports bras hold the breasts tightly to your chest and cause the bad blood circulation.The Wireless design AKAMC sports bra offers enough support to prevent this condition from occurring. About the product Material: 96% nylon and 4% elastane Breathable and stretchy support Soft and comfortable, Non-Irritant material. No underwire that drop fully away from the breast.