This devise is a dimension that allows you to wear always a tight fit on the wearer's body dimensions even after the wearer's body is changed by the movement of health enhancing sportswear, muscle or dieting, etc. worn to enhance the exercise effect when the aerobics and fitness It relates to a variable for fitness sportswear.; In other words the entire surface of the fastener 10 is formed up and down as a kit configuration ordinary health sportswear in in on (1) the front and the bottoms (2) side of the separation space 4 is separated to facilitate the wear on both sides of the for that on the ends to the slide 5 is equipped with a standard zipper (11) is configured and provided with a Velcro (3) on its upper end, and a plurality of adjustable fasteners 12 to the outside of the other and mounted to maintain a constant distance varying fastener (12a a structure in which 12b, 12c, 12d) each attached by a number of Velcro (3a) at the top between the configuration.
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