DESC: Free shipping on this item! - Offer Limited, Act Now. Polar Heart Bra is made for comfort and performance using Dry Wear technology that wicks moisture away from your body. Contoured shoulder strap with a deep T-back for better fit and freedom of movement. Flexible design made exclusively for use with a Polar Heart Rate Monitor. Made of Poly/Lycra with a CoolMax and Lycra lining. Features Uses moisture wicking Dry Wear technology Made from a microfiber of Poly/spandex material Contoured shoulder straps and T-back for better fit and freedom of movement Designed for use with the Polar T31/T61 Transmitters or any hard plastic Transmitter (excluding the WearLink ) If you have the WearLink see NuMetrex for WearLink Users Sizing Chart Small: 32A B C, 34A B Medium: 34B C, 36B C Large: 36C D 38C D X-Large: 36D DD, 38D DD NOTE: Polar Heart Sports Bra run small in size. You might want to go with one size larger than normal if you are close to the next size, or if you don't want a snug fit. * Transmitter pictured is...