The Kate Underwire Sports Bra by Ulla features ergonomic release straps and comfortable underwire. Kate's slimming seams are kind to the skin while inhibiting build-up of odours for the ultimate comfort and support. With its extremely comfortable design features, Kate is a hugely popular style for both exercise and everyday wear. Read our review of the Ulla Kate Underwire Sports Bra on The Bra Fitter Blog. Our Fit Advice Kate fits true to Ulla sizing. IE: your usual size: 18H, your Ulla Kate size: 20H.