VENTILATORS
These bras help keep you cool
New Balance Trinamic Bra £45, newbalance.co.uk (above) Laser-cut vents on the back and between the breasts keep clamminess at bay, and the light fabric dries faster than any other bra tested. Plus, this basic pullover is more supportive than most, because the side panels and shoulder straps use a stiffer, less-stretchy material.
Best for: A-C cup Salomon Medium Impact Bra £40, salomon.com With airy mesh panels between the breasts and under the arms, this seamless pullover dissipates sweat quickly. The extrawide bottom band provides support and pairs comfortably with a heart-rate monitor. Downsides? The removable modesty pads can migrate out of place, and the compression fit creates a uniboob.
Best for: A-C cup Anita 5544 Air Control Delta Pad £61 plus shipping, anita.com Bras that truly support D+ runners rarely breathe well, but this marvel combats bounce and sweat. The allmesh construction dissipates heat, and ultralight terry cloth lining the bottom band and the middle of the cups mops up moisture like a bath towel. Bonus: the individual cups encapsulate breasts to control bounce and provide a flattering look.
Best for: B-DD cup