The ultra light BalanceWear Breeze is made of thin, stretchable, nylon/Spandex material that conforms to your body while active, standing, or sitting. It is designed for weighting 2.5# and under. The front zipper aids in keeping the Breeze properly centered and aligned. Three Velcro-type adjustments on each side of the zipper and one over each shoulder offer adjustable compression to ensure a comfortable, perfect fit. Breeze is available in 25 overlapping, form fitting sizes that will fit both men and women.