Berlei Support Factor 3 - High Impact. Reduces breast bounce by up to 50%. Your perfect bra for high impact sports such as tennis, netball or basketball. Berlei is the only sports bra brand tested, approved and endorsed by the Australian Institute of Sport. Contoured underwire bra with the sleek look of a crop in fashionable mesh. Extra layer of support above the cup reduces bounce. Padded shoulder straps provide comfort and support. Mesh placement increases moisture evaporation in high sweat areas.