Sports brand Under Armour is launching a new range of active bras.

The US brand, known for its bold "I Will What I Want" campaigns fronted by athletic stars including Lindsey Vonn, Misty Copeland, Kelley O'Hara and model Gisele Bündchen, will debut the new "Armour Bra Collection" on Tuesday.

The series will comprise different designs suitable for high, mid and low impact sports. It will also come under the umbrella of the "I Will What I Want" initiative, with a digital film campaign set to be released in August.