Body mapped and designed specifically for the female form, the Airess' little sister has all the same benefits in a more compact size. Save space and save weight Whether you are heading out for your first marathon or your 10th Spartan Race, you can know that your gear is secure and right at your fingertips. Our adjustable sizing system allows for a perfect fit for your form and the lightweight, breathable and chafe-free materials can keep you cool and at ease while you keep going for miles. With ample room for water, the 1.5L bladder and side pockets for more flasks, mean that you will never be parched – even if you have worked up the most sweat for your best PR