They're made to keep your girls comfortable, in place, and under control, even during the hardest activities. The impact level of each sports bra is different. An impact level is just a way to describe how much support the sports bra gives you. The level of support goes up as the level of impact goes up. If you want to buy best quality women active wear at affordable prices then Vibrant Mart is the best option for you. We offers you high quality product at low cost.