We recommend a bra or vest be worn under the Econo Guard. To select correct guard size refer to chart. Measure chest size under bust. Cup size should be the same as your standard bra. We recommend the bra or vest be of the synthetic textile type to allow moisture to move and evaporate.
Evaporation is natures own body cooling method.
Final shaping of the guard can be necessary to obtain the best fit under the arm. The instruction book explains the method. Watch for the sharp edges and recycled plastic. To aid protection the Econo Guard must be held as firmly in place as possible. If the back strap does not hold the guard firmly then try the next size smaller guard or a thicker bra underneath.