Sbelt Bra. Many women consider it to be the most comfortable bra in the market as it doesn't have inconvenient fasteners and it is very soft. You can also use it to practise sports such as cycling, professional dance or cardio training. The Sbelt Bra is made of sweat-absorbing fabric that offers comfort and mobility. Thanks to its elastin composition, it provides a perfect fitting. Remember to select your size and colour in the selection bar.