Reduce arm jiggle! Want to get the look of toned arms without going to the gym? Compression sleeves do all the work while you go about your day. Made with a unique stretch knit fabric, the sleeves provide constant compression, which not only tightens the skin but also tones and firms muscles to reduce appearance of cellulite. Wear under regular clothing for a smoother, slimmer look. Polyamid, elasthan.