The first sports bra to make TIME Magazine's Best Inventions list, this adaptive bra takes personalized support to another level. Made with Motion Sense technology, it firms up as you switch from weight lifting to cardio and relaxes as you cool down. The sleek design has free-cut edges for a barely there feel. 73% nylon / 27% elastane. Designed for: All-impact training and running. Fitted fit; High impact. Motion Sense technology treated fabric firms up more to support during high-impact movements and less during low-impact movements. Molded front panel and free-cut edges for natural shaping, minimalist design and second-skin fit, so you can move freely without distractions. Breathable perforations in front and back to keep you cool and comfortable; Available in half sizes. Racerback; LES MILLS branding on center back band. Color: Black.